Im a decently handy guy, but ive always struggled with electrical circuits and how to test. There are some REALLY good points made in here - well done guys.
Very good information if you are a car guy or hobbyist like myself it's very important to learn the multimeter I learned it pretty good and it helped me a whole lot putting the whole electrical system together for my 67 Firebird love you guys I Hagerty keep up the great job
@@treycen2785 that's good my Firebird brother the more you could learn the better it is for you to move forward with your project check out my UA-cam video and good luck
I use a mulitmeter so seldom that I have to stop and think twice about it each time I use it. These are good refresher tips for me regarding a very useful tool.
Do you have a video that demonstrates how to check for a parasitic draw on an automotive battery is an automotive battery from an older vehicle 72 cutlass to be specific non computer
I can't even BEGIN to tell you how happy I am to have found this video. I've been looking all over the internet to find ANYTHING that not only shows you how to use it, but explains why you put it on the settings that you do, AND what the readings should be. Trying to pick up a little here and a little there was driving me crazy. I can honestly say that I understand the BASICS of how to use my multimeter. Thank you, thank you, THANK YOU!
This is a very helpful and informative video on Multimeter function. It was a huge help for me and I am sure it will help hundreds if not thousands of others. Thank you
🎉🎉 please use more close ups - what’s obvious to the instructor is not to the student. ie. Saying “if you look very closely” while leaving the camera at 5 ft away while showing a car bulb
Using your fingers to hold the wires onto the test lead is a bad habit to get into. I was checking trailer wiring and a short made the wire get red hot. I got a nice brand on that one. It also trains you to get bit when you start working with AC circuits. Otherwise a lot of good info.
rcadd1ct you’re right. I try to avoid it whenever possible, but loose wires on the table were difficult to wrangle. The other issue I’ve found is, testing high resistance circuits, my body can change the reading. Thanks for watching!
Fantastic Video. I'm a DIY kind of backyard mechanic and pretty knowledgeable about numerous aspects of cars but I was always a little unsure of the electrical side of things and especially on how to test and probe for electrical issues. You made the information as easy as pie. Great job and I really appreciate it.
hi, is there any chance that you can show any info about an infurider yf-39c multimeter i have just bought one and cant make head nor tails of it i don't recognise most of the symbols ,cheers Chas
Thank you for this video. I would have understood it a lot better though if you had used an actual car to demonstrate the tests. Using a standalone light bulb lost me completely. I am a visual learner, but I need to see it hands-on.
I have a question. I purchased an Rv and needed more voltage to run a rear facing camera. So replaced all running lights with LED ‘s . Now the rear tail light with the license plate burns brighter than the other side. If I switch to all LEDs will that solve the issue? Thanks
LED Conversions are finicky and can interfere with typical Incandescent (filament bulbs) like you're experiencing. If you change one standard bulb to an LED, you'll need to do a complete conversion to ALL LED bulbs in the respective circuit string. Running lights, Turn Signals, License Plate Lights and Brake Lights in order for the system to operate correctly. An LED is much different in its electrical characteristics to a conventional incandescent bulb in that there is no filament like in conventional bulbs. So when you put power to an LED, you're exciting the space between two points that are not connected to one another by a filament, so when that electricity tries to continue the flow of energy on down the line to the parking and brake lights, the voltage differs enough to cause odd symptoms. Convert ALL of your running lights, brake lights, turn signal lights and license plate lights to LED and you'll also need to change your Turn Signal Flasher Module to an LED Friendly unit like an EP29 or compatible for your RV. Easy enough to figure out what you need simply by removing the standard flasher module and noting the number of contact pins and their orientation. Then simply Google "LED Flasher" to find the one that's right for you. Failure to do this will result in what's called "Hyper Flash" which is exactly what it sounds like. Your turn signals and hazards will flash in very rapid succession compared to the normal blink, blink, blink of your standard bulbs. I hope this helps Bryan! Cheers! Zip~.
Thank you, Mr Matt Hagerty. I watched your video twice, and sincerely appreciate your clear description and teaching method. I carefully read through the manual upon purchasing my initial multimeter. A refresher course with a clear demonstration by an expert cannot be matched. Many thanks, and I wish you & your family good health throughout the high risk threat of Covid19.
This is a great video. I'd like to see a follow up video that details real world situations with corrosion on bulb sockets. It would be great to see how to measure resistance in a socket that is corroded that explains how to troubleshoot older wiring that might be susceptible to corrosion. An explanation of resistance metering in more detail would be helpful for the DIY crowd that is trying to determine why, for example, a turn signal bulb is working but flashing faster than the other side of the car. Measuring resistance would be a way to determine that the circuit can flow electricity via amps and voltage yet resistance is higher than normal which might be the cause of why the turn signal circuit is behaving erratically. This just happened to me last week and I spent hours learning about it when I bet one of these awesome simple videos would detail a more real-world scenario. I can't say enough how much I learn from these Hagerty DIY videos. Thank you very much!
May I suggest that you make it clear as to which wire is connected to which other wire. Just saying something like “connect it in line” leaves some of us beginners out.
I'm a mechanical engineer, but for whatever reason I struggled with circuits through college, and haven't needed to touch a mutlimeter or a circuit in 3.5 years. Excellent refresher, trying to diagnose why my truck won't start, problem is no power to fuel pump after full engine rebuild. Just got to figure out WHERE.
for begginer get one that auto ranges and min/max feature.i beleive so much misdiagnosing comes when someone has a cheap non auto range and doesnt know what setting it should be on or uses wrong setting and interpits what meters telling them.
I'm confused on the amperage part. Why and on what device are you checking the amperage? Is something broken, or maybe underpowered? Also I can't see what's connected to what. Obviously the new red round object in the middle of the table is a part of this test (what IS the red thing?), but is something else being connected to with your wires? A diagram at this point would clear all of this up for me. The wires go off screen so I just can't tell exactly what you're doing or where they end up. Sorry, but when it comes to total newbies like me you shouldn't assume they know anything. For example, you say "circuit", but I don't know what a circuit is or looks like. Ditto for the word "terminal.". Sorry, but I'm lost. Ok you cleared up one thing, at 5:42 you said the red thing is a light bulb. Earlier you did say light bulb, but I thought it had a tiny little light bulb on it. So the whole thing is a light bulb. But why is the light bulb part of the amperage test?
Good video. The only issue I see is, during your ohms tests, you are holding the bare wire with your fingers. That creates a possibility of creating an electrical path thru the skin. Which could create a false reading if the path has less resistance than the component being tested.
I've recently purchased a 1948 Chrysler. It's a 6 volt system and positive ground. I suspect that I would use a test light in the usual way. Alligator clip to ground on the car and probe to where power should be and the bulb will light up. I'm guessing if the tester is 12 volts the light will just be dimmer. But if I'm trying to track down a non working item like lets say a tail light with similar issues as in your video. How do I use the meter? Does black still go to ground, or does red now go to ground? When testing amps and ohms, do I do anything different?
For testing you tail light you'll probably wanna measure continuity. You never need to move the ground terminal on a multi meter. As for the difference between amps and ohms, you'll need to switch the positive terminal. The "horseshoe" like symbol measure resistance in ohms. If your measuring amps you need to switch terminals
I hate electrical work and typically avoid it on my own projects. I just don't know enough about it. But this is hands down it the best video about Multimeters. Thanks for the video!
Question for you. Why did you hook it up to the AC voltage terminal and not the DC? The battery doesn't have alternating current. You still got the correct reading but I just wanted some more information so I fully understand
When you did the ohm's test to begin with. I did not see you turn the meter to ohm's. And then you set the meter on ohms, but you didn't say white scale. It looked like 2000 I thought 20 was lower than 2000 for smaller gauge wire and smaller link per linear inch. Let's say a 6 foot 14 gauge automotive wire. What home setting do you use on the dial? There are sometimes up to 3 different home measurements on there. I've never seen a mechanic in 10 years describe this.
Great video. I tried it on a lawn mower battery which is 12v 2.5 ah. It gave me a reading of 1-2 fluctuating. Does this mean that the battery is unsaveable?
How do you know the wiring is operating completely? I mean it could get a reading but it could be a low reading. Also, when you say look closely, your camera is still far away and does not let us look clisely.
None of this makes sense you are fucking with the bulb after disabling it and you say on the wires you have a ground and power but not how you determined that on the battery and now you are saying the round housing that the bulb goes into is a ground so you now have a power, two grounds and no neutral wire to complete the circuit? Also what is the difference between a amp and volt what is a watt what is the difference between them and how do you determine each?
Question when i measure my radio with ohms but the numbers keep climbing and climbing does that mean my radio is dead and something is causing the flow to stop?
I'm looking for a lead for a multimeter to be able to attach to just one pin inside an automotive connector. Such as one pin out of 16 pins. I need a female lead that will slide over just one of those small pins. I've seen them used in videos. I just don't know how to search for one. Anyone have a link or the name of it?
It clarifies those three indicators. Video needs to be clerare and up close view of nultimeter and tge bulb is a must to understand what you are talking about
I really enjoyed (and learned a lot) from the diagnostic part of the video towards the end. The step-by-step process for finding the root cause was explained very well. Thank you!
And the real question is...What is that symbol next to the 2volts DCV that says "POINTS" I've had the 3300 for years and still have no idea why that symbol is there, what it means, and what "points" are. If anyone knows it will be amazing as Google had failed me with searches for years. Now I look for UA-cam videos with Innova 3300 meters and ask there. How Innova stamps something on their meter and doesn't say what it means in the manual blows my mind.
It turned out that the aftermarket air horn in my 2000 Ford Ranger XLT was not working due to simple corrosion of the horn’s terminals and the power wire to which they are connected. A quick cleaning using an automotive battery terminal post wire brush was the quick and easy fix for me to once again hear that sweet (but sometimes annoying!) ‘Wah wah’ sound emanate from my trusty light duty toy truck.
Same for me, I want to add a parking mode kit to my VW and need to see what side of the fuse is providing direct power so i can use piggyback adapters to wire it in. Thanks
Nice video, but 5:50 can be a poor test. If there was no open circuit then the multimeter would have read 0v, because there would have been no potential difference between those 2 points in the circuit. It’s only because the circuit was open that it gave a reading of 13.8v or whatever it was. Just be aware that that test wont work if the circuit is closed and another fault is present (like high resistance at the earth/ground terminal of the circuit)!
What about a VERY important warning about exceeding the rated current draw when measuring amps on an unfused meter such as the one you used. Goodbye meter if you do.
Hes absolutely right about playing around with high voltages. Even home wiring can become bananas. Hell for god sakes never poke around in a panel to see if you can get a reading. Dont fake it till you make it with this tool. This is really for say a maint person or a straight Clark Griswold moves.
You should show how to check a battery and alternator in a car.... its probably the most common thing people will need this for when talking about automotive stuff
educate me please..once i knew about how ohm.meter works, yet a TBI puts lots 'grey' an require refresh.. objective is 96jeep sport cherokee electric windows StayUP cooks brain103*. the door panel driver side off. is problem (switch-or door.motor?) im ready IF must run wire direct from battery.
Matt, What is a decent auto-ranging meter w/the beep for resistance? I can't figure out what's wrong, so i have to test the tps, idle air control valve, cts, etc. on an 88 sentra w/ tbi, and I know very little about these cars. I'm used to working on my Chevelle. Thanx.
continuity is also a great way to test a broken load...or switch...i always use it to check is my wires are going (+) positive and coming back (-) negative...before i hook up my 12v supply...you can also check which wires go to which switch if you have 3 wires on a 2 way switch...so you know which switch turns on the flow in the wire...
Greetings, I'm testing my 02 Sequoia with multimeter after a p1126 engine code. When I test the throttle control it clicks and spins but there is no signals in electrical connector on prong 3. How can I figure out if it's my ecm or the harness cable?
If I'm testing for voltage at the end of a wiring harness, do I ground to the ground pin on the harness? Or do I find another ground point on the chassis of the vehicle, or does it not matter?
Only parts of electric cars run on voltage above 42 volts DC, which is considered by the SAE the cutoff point above which a man could be electrocuted. Many circuits on electric cars are still 12 volts DC. Use a meter and a service manual.
I used to work at a parts store. Customers used to come in trying to have me help them diagnose their electrical problem. I would say just buy a multi meter and watch a UA-cam video on how to use it for cars. 9 times out of 10 the customer would say I'm not gonna do that nato pay some absorbent thi to have an electrical expert look at it. This is the M1A the most important diagnostic tools right up there with an OBD
Good info Matt, just keep in mind, you are assuming that your viewers are using 12v negative ground....but this is a Hagerty video, and many customers of Hagerty have 6v positive ground classic/historical vehicles....
Thanks for the video, I have a question, which book do you suggest to understand automobile electric , simple explanations and understandable , that will make me understand the full automobile electric circuit to test parts wires fuses etc , i will appreciated so very much since i am starting this new business!!!
Valuable information to someone like me who's working on my SUV to bring it to life after 4 years of sitting on the driveway. Thank you so much and I subscribed
Im a decently handy guy, but ive always struggled with electrical circuits and how to test. There are some REALLY good points made in here - well done guys.
Same here
Very good information if you are a car guy or hobbyist like myself it's very important to learn the multimeter I learned it pretty good and it helped me a whole lot putting the whole electrical system together for my 67 Firebird love you guys I Hagerty keep up the great job
haha watching this for my 94 firebird
@@treycen2785 that's good my Firebird brother the more you could learn the better it is for you to move forward with your project check out my UA-cam video and good luck
I use a mulitmeter so seldom that I have to stop and think twice about it each time I use it. These are good refresher tips for me regarding a very useful tool.
Do you have a video that demonstrates how to check for a parasitic draw on an automotive battery is an automotive battery from an older vehicle 72 cutlass to be specific non computer
Lol same usually it's to stop and think "wtf did I get myself into"
I can't even BEGIN to tell you how happy I am to have found this video. I've been looking all over the internet to find ANYTHING that not only shows you how to use it, but explains why you put it on the settings that you do, AND what the readings should be. Trying to pick up a little here and a little there was driving me crazy. I can honestly say that I understand the BASICS of how to use my multimeter. Thank you, thank you, THANK YOU!
This is a very helpful and informative video on Multimeter function. It was a huge help for me and I am sure it will help hundreds if not thousands of others. Thank you
Policy saivern
Thank buck a roo!!! N pistol annies...lol u helped me more than u kno
I have no electrical background and bought a project truck. Challenge accepted. Your video explained a lot. Thanks.
@@petewebber8671 my S10 project is challenging haha but that’s the point right?
I could have used a bit better visual of where and how the test leads plug in.
🎉🎉 please use more close ups - what’s obvious to the instructor is not to the student. ie. Saying “if you look very closely” while leaving the camera at 5 ft away while showing a car bulb
I just learned everything I need in life. 😂 Thanks for this excellent presentation!
Using your fingers to hold the wires onto the test lead is a bad habit to get into. I was checking trailer wiring and a short made the wire get red hot. I got a nice brand on that one. It also trains you to get bit when you start working with AC circuits.
Otherwise a lot of good info.
rcadd1ct you’re right. I try to avoid it whenever possible, but loose wires on the table were difficult to wrangle.
The other issue I’ve found is, testing high resistance circuits, my body can change the reading.
Thanks for watching!
You might also want to ditch the metal watch band too. I have a VERY nice brand from mine. 😳
@@teymac8127 Yes sirree, and you can't forget wedding rings. Say goodbye to your finger (or a good amount of the skin on it)
Ahhh so thats why there was smoke coming out of my multimeter
Fantastic Video. I'm a DIY kind of backyard mechanic and pretty knowledgeable about numerous aspects of cars but I was always a little unsure of the electrical side of things and especially on how to test and probe for electrical issues. You made the information as easy as pie. Great job and I really appreciate it.
Me too, a hobby mechanic likes to work on my car on weekends. Which volt meter will you suggest me , to buy, and from where?
I have had one of these for over 10 years and never knew how it worked, until now that is,
Thanks for the brilliant video 👍
This was such a massive help in learning about how a multimeter works. Please do more of these types of videos!!
hi, is there any chance that you can show any info about an infurider yf-39c multimeter i have just bought one and cant make head nor tails of it i don't recognise most of the symbols ,cheers Chas
The absolute best video I’ve found for the novice with a multimeter! Well done!
Thank you for this video. I would have understood it a lot better though if you had used an actual car to demonstrate the tests. Using a standalone light bulb lost me completely. I am a visual learner, but I need to see it hands-on.
this is hands down a far superior explanation of how electricity works over anything i learned in school. Good job Hagerty
Last time I used a multimeter was back in middle school, so this was a very useful refresher. Got some nasty DIY wiring to clear up in my engine bay.
I have a question. I purchased an Rv and needed more voltage to run a rear facing camera. So replaced all running lights with LED ‘s . Now the rear tail light with the license plate burns brighter than the other side. If I switch to all LEDs will that solve the issue? Thanks
LED Conversions are finicky and can interfere with typical Incandescent (filament bulbs) like you're experiencing. If you change one standard bulb to an LED, you'll need to do a complete conversion to ALL LED bulbs in the respective circuit string. Running lights, Turn Signals, License Plate Lights and Brake Lights in order for the system to operate correctly. An LED is much different in its electrical characteristics to a conventional incandescent bulb in that there is no filament like in conventional bulbs. So when you put power to an LED, you're exciting the space between two points that are not connected to one another by a filament, so when that electricity tries to continue the flow of energy on down the line to the parking and brake lights, the voltage differs enough to cause odd symptoms. Convert ALL of your running lights, brake lights, turn signal lights and license plate lights to LED and you'll also need to change your Turn Signal Flasher Module to an LED Friendly unit like an EP29 or compatible for your RV. Easy enough to figure out what you need simply by removing the standard flasher module and noting the number of contact pins and their orientation. Then simply Google "LED Flasher" to find the one that's right for you. Failure to do this will result in what's called "Hyper Flash" which is exactly what it sounds like. Your turn signals and hazards will flash in very rapid succession compared to the normal blink, blink, blink of your standard bulbs. I hope this helps Bryan! Cheers! Zip~.
@@ZippoVarga thank you for your time . Will do.
Thank you, Mr Matt Hagerty. I watched your video twice, and sincerely appreciate your clear description and teaching method. I carefully read through the manual upon purchasing my initial multimeter. A refresher course with a clear demonstration by an expert cannot be matched. Many thanks, and I wish you & your family good health throughout the high risk threat of Covid19.
Thanks so much for this video. I am a complete novice and this helped me quickly get up to speed for the task I needed to do.
Jeez, the US pronunciation "mull tie" sets my teeth on edge
This is a great video. I'd like to see a follow up video that details real world situations with corrosion on bulb sockets. It would be great to see how to measure resistance in a socket that is corroded that explains how to troubleshoot older wiring that might be susceptible to corrosion. An explanation of resistance metering in more detail would be helpful for the DIY crowd that is trying to determine why, for example, a turn signal bulb is working but flashing faster than the other side of the car. Measuring resistance would be a way to determine that the circuit can flow electricity via amps and voltage yet resistance is higher than normal which might be the cause of why the turn signal circuit is behaving erratically. This just happened to me last week and I spent hours learning about it when I bet one of these awesome simple videos would detail a more real-world scenario.
I can't say enough how much I learn from these Hagerty DIY videos. Thank you very much!
We have a few more videos focused on electrical components coming out soon. Stay tuned!
May I suggest that you make it clear as to which wire is connected to which other wire. Just saying something like “connect it in line” leaves some of us beginners out.
I'm a mechanical engineer, but for whatever reason I struggled with circuits through college, and haven't needed to touch a mutlimeter or a circuit in 3.5 years. Excellent refresher, trying to diagnose why my truck won't start, problem is no power to fuel pump after full engine rebuild. Just got to figure out WHERE.
thank you sir, I learned a lot today with you
Your profile pic confused me for a second, I thought it was me
Very helpful, good audio and visual instructions. Thank you for lowering my anxiety with my new multimeter lol
for begginer get one that auto ranges and min/max feature.i beleive so much misdiagnosing comes when someone has a cheap non auto range and doesnt know what setting it should be on or uses wrong setting and interpits what meters telling them.
What a great video! Exactly what I need while working on my Jeep. I love the simple explanations and the real world issue troubleshooting.
I'm confused on the amperage part. Why and on what device are you checking the amperage? Is something broken, or maybe underpowered?
Also I can't see what's connected to what. Obviously the new red round object in the middle of the table is a part of this test (what IS the red thing?), but is something else being connected to with your wires? A diagram at this point would clear all of this up for me. The wires go off screen so I just can't tell exactly what you're doing or where they end up. Sorry, but when it comes to total newbies like me you shouldn't assume they know anything. For example, you say "circuit", but I don't know what a circuit is or looks like. Ditto for the word "terminal.". Sorry, but I'm lost.
Ok you cleared up one thing, at 5:42 you said the red thing is a light bulb. Earlier you did say light bulb, but I thought it had a tiny little light bulb on it. So the whole thing is a light bulb. But why is the light bulb part of the amperage test?
Good video. The only issue I see is, during your ohms tests, you are holding the bare wire with your fingers. That creates a possibility of creating an electrical path thru the skin. Which could create a false reading if the path has less resistance than the component being tested.
good video thank you
i want to check a ground wire on a oil level gauge in my car.. how do i do that. i have a 7 function digital multimeter thanks
I've recently purchased a 1948 Chrysler. It's a 6 volt system and positive ground. I suspect that I would use a test light in the usual way. Alligator clip to ground on the car and probe to where power should be and the bulb will light up. I'm guessing if the tester is 12 volts the light will just be dimmer.
But if I'm trying to track down a non working item like lets say a tail light with similar issues as in your video. How do I use the meter? Does black still go to ground, or does red now go to ground? When testing amps and ohms, do I do anything different?
For testing you tail light you'll probably wanna measure continuity. You never need to move the ground terminal on a multi meter. As for the difference between amps and ohms, you'll need to switch the positive terminal. The "horseshoe" like symbol measure resistance in ohms. If your measuring amps you need to switch terminals
I hate electrical work and typically avoid it on my own projects. I just don't know enough about it. But this is hands down it the best video about Multimeters. Thanks for the video!
Question for you. Why did you hook it up to the AC voltage terminal and not the DC? The battery doesn't have alternating current. You still got the correct reading but I just wanted some more information so I fully understand
When you did the ohm's test to begin with. I did not see you turn the meter to ohm's. And then you set the meter on ohms, but you didn't say white scale. It looked like 2000 I thought 20 was lower than 2000 for smaller gauge wire and smaller link per linear inch. Let's say a 6 foot 14 gauge automotive wire. What home setting do you use on the dial? There are sometimes up to 3 different home measurements on there. I've never seen a mechanic in 10 years describe this.
Damn good tutorial with real life examples. thanks
Why put it on 20 and not the others? In terms of the DCC? Why 20 specifically is what I'm asking?
Ok. Voltage should be 12-15.
What is the expectation for Amps?
What is good or normal amperage?
Great video. I tried it on a lawn mower battery which is 12v 2.5 ah. It gave me a reading of 1-2 fluctuating. Does this mean that the battery is unsaveable?
How do you know the wiring is operating completely? I mean it could get a reading but it could be a low reading. Also, when you say look closely, your camera is still far away and does not let us look clisely.
Im installing a start/stop button on my car with PKE. This is the best tutorial, even for dummies like me who has never used a multi meter
None of this makes sense you are fucking with the bulb after disabling it and you say on the wires you have a ground and power but not how you determined that on the battery and now you are saying the round housing that the bulb goes into is a ground so you now have a power, two grounds and no neutral wire to complete the circuit? Also what is the difference between a amp and volt what is a watt what is the difference between them and how do you determine each?
Hey buddy how do I test of my engine wiring has constant ground?
Fucking adds suck on here anymore now they are skipping ahead 10 seconds everytime an add comes on so I keep having to back it up to get all the info.
Amps-Why in between? When do you need to use Amps or Volts? Why?
Question when i measure my radio with ohms but the numbers keep climbing and climbing does that mean my radio is dead and something is causing the flow to stop?
Great tutorial!
I love how you demonstrated use-cases for troubleshooting after describing the basic functions.
I'm looking for a lead for a multimeter to be able to attach to just one pin inside an automotive connector. Such as one pin out of 16 pins. I need a female lead that will slide over just one of those small pins. I've seen them used in videos. I just don't know how to search for one. Anyone have a link or the name of it?
This guy doesn't know the difference between accuracy and precision.
It clarifies those three indicators. Video needs to be clerare and up close view of nultimeter and tge bulb is a must to understand what you are talking about
What voltage should be going through the car speaker circuit? Is that 10-15 volts too?
I really enjoyed (and learned a lot) from the diagnostic part of the video towards the end. The step-by-step process for finding the root cause was explained very well. Thank you!
You jumped from amps to ohms without showing what to set the multimeter dial to, for the ohm tests - why 2000?
Thanks, you explained just what I needed to know very well
Put it to use on a car actually. You got one right behind you for Christ sake.
7:00 Вот так говорят клиенту, а на самом деле или проводка сгнила, или патрон подгорел, потом бегают, бесплатные ремонты начинаются.
You're talking about cars but testing a battery to a drill. I don't get it.
Thank you, really really helpfull video and it is a great help.
Does anyone know if this would work testing a wheel speed sensor?
Great common-sense explanation!!
And the real question is...What is that symbol next to the 2volts DCV that says "POINTS" I've had the 3300 for years and still have no idea why that symbol is there, what it means, and what "points" are.
If anyone knows it will be amazing as Google had failed me with searches for years. Now I look for UA-cam videos with Innova 3300 meters and ask there. How Innova stamps something on their meter and doesn't say what it means in the manual blows my mind.
car puts out more then 10 amps. how do you test it with that meter?
you are really good at explaining this bro.
Very well done. Always struggled with these
thank u for information,i like this electronica for auotomotive
Well done and very helpful. Thank you!!
It turned out that the aftermarket air horn in my 2000 Ford Ranger XLT was not working due to simple corrosion of the horn’s terminals and the power wire to which they are connected. A quick cleaning using an automotive battery terminal post wire brush was the quick and easy fix for me to once again hear that sweet (but sometimes annoying!) ‘Wah wah’ sound emanate from my trusty light duty toy truck.
That was an excellent tutorial. I have never used a multimeter before, I feel pretty confident in purchasing one now.
Same for me, I want to add a parking mode kit to my VW and need to see what side of the fuse is providing direct power so i can use piggyback adapters to wire it in. Thanks
Same man.. Bought one to help diagnose my car and suddenly realised I had no clue how to use it 🤦♂️🤣
This is a SIMPLE, WELL explained video with no one trying to be a MOVIE STAR...just a great to the point vid....WELL DONE!
Never touch the probes with your fingers when checking resistance your body also has resistance
Nice video, but 5:50 can be a poor test. If there was no open circuit then the multimeter would have read 0v, because there would have been no potential difference between those 2 points in the circuit. It’s only because the circuit was open that it gave a reading of 13.8v or whatever it was.
Just be aware that that test wont work if the circuit is closed and another fault is present (like high resistance at the earth/ground terminal of the circuit)!
Thank you very much for this video!
What about a VERY important warning about exceeding the rated current draw when measuring amps on an unfused meter such as the one you used. Goodbye meter if you do.
Hes absolutely right about playing around with high voltages. Even home wiring can become bananas. Hell for god sakes never poke around in a panel to see if you can get a reading. Dont fake it till you make it with this tool. This is really for say a maint person or a straight Clark Griswold moves.
You should show how to check a battery and alternator in a car.... its probably the most common thing people will need this for when talking about automotive stuff
Thank you. Best explanation
educate me please..once i knew about how ohm.meter works, yet a TBI puts lots 'grey' an require refresh.. objective is 96jeep sport cherokee electric windows StayUP cooks brain103*. the door panel driver side off. is problem (switch-or door.motor?) im ready IF must run wire direct from battery.
Ive got a sperry dm-350a , and I cannot find a single video for it. Completely different than these. And 4 plugs across bottom
Very good detailed explanation...
Matt,
What is a decent auto-ranging meter w/the beep for resistance? I can't figure out what's wrong, so i have to test the tps, idle air control valve, cts, etc. on an 88 sentra w/ tbi, and I know very little about these cars. I'm used to working on my Chevelle.
Thanx.
I have a cigaret lighter I’m am replacing with a USB port in my car. The cigaret lighter has three wires and the usb has two ,how do i wire it thanks
continuity is also a great way to test a broken load...or switch...i always use it to check is my wires are going (+) positive and coming back (-) negative...before i hook up my 12v supply...you can also check which wires go to which switch if you have 3 wires on a 2 way switch...so you know which switch turns on the flow in the wire...
Greetings,
I'm testing my 02 Sequoia with multimeter after a p1126 engine code. When I test the throttle control it clicks and spins but there is no signals in electrical connector on prong 3. How can I figure out if it's my ecm or the harness cable?
Thank you sooooooo muuuch..... Uve absolutely unswered a plenty of questions in my mind. Thank you once again 🌹🌹🌹🌹
If I'm testing for voltage at the end of a wiring harness, do I ground to the ground pin on the harness? Or do I find another ground point on the chassis of the vehicle, or does it not matter?
Only parts of electric cars run on voltage above 42 volts DC, which is considered by the SAE the cutoff point above which a man could be electrocuted. Many circuits on electric cars are still 12 volts DC. Use a meter and a service manual.
I used to work at a parts store. Customers used to come in trying to have me help them diagnose their electrical problem. I would say just buy a multi meter and watch a UA-cam video on how to use it for cars. 9 times out of 10 the customer would say I'm not gonna do that nato pay some absorbent thi to have an electrical expert look at it. This is the M1A the most important diagnostic tools right up there with an OBD
Best video I’ve seen on use basics
Good info Matt, just keep in mind, you are assuming that your viewers are using 12v negative ground....but this is a Hagerty video, and many customers of Hagerty have 6v positive ground classic/historical vehicles....
CONTINUITY! It's always the first thing I test for finding where the fault is. You can then work out the finer details once there.
Thank you. I finally got it.
So if you were getting a reading on the resistance when checking the light would that indicate a bad housing fixture instead of a broken bulb?
Thanks for the video, I have a question, which book do you suggest to understand automobile electric , simple explanations and understandable , that will make me understand the full automobile electric circuit to test parts wires fuses etc , i will appreciated so very much since i am starting this new business!!!
ZOOOOOOOOOOOOOOOOOOOOM IN!
Just stumbled on this, great video and clear. Also, love the shirt! Hilarious
Very good information. In simple words very useful for beginners who does auto works
Thank you sir
Valuable information to someone like me who's working on my SUV to bring it to life after 4 years of sitting on the driveway. Thank you so much and I subscribed