Mechman RVC Bypass option (P103 module) for GM vehicles tech and overview. Part 2

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  • Опубліковано 16 січ 2025

КОМЕНТАРІ • 137

  • @cargenerator
    @cargenerator Рік тому +4

    Great video. Our customers using our CarGenerator product for backup and camping power, upgrade their alternators with Mechman high performance alternators for plenty of output even at idle. Love it

    • @mechmanalternators
      @mechmanalternators  Рік тому +1

      Thank you so much for the feedback and support. We try our best to supply a quality product for the actual needs of the customers.

  • @StevenTylerCruz
    @StevenTylerCruz 5 місяців тому +1

    thanks for the pt1 and 2, I had a small case gm HO alt on my 92 s-10 build, I parted it out an sold the alt, the client who purchased it states away thought the alternator was broke bc of the miscommunication caused, the vehicle he was putting it in is a 2016 after mentally diag it and determining the issue this video absolutely supported my hypothesis, I really appreciate you making these 2 videos!

    • @mechmanalternators
      @mechmanalternators  5 місяців тому

      Just real world stuff man, no gimmicks or tricks needed. Facts are facts.

  • @miiiikee_
    @miiiikee_ 3 роки тому +7

    Ordered a 370 with the RVC bypass! I couldn't stand the voltage fluctuation even before I started adding more power hungry components. I can't wait to see the voltage hold at it's best all the time.

    • @mechmanalternators
      @mechmanalternators  3 роки тому +2

      It can be annoying for those really wanting to slam some power. I usually say if you're not over 2,000 RMS watts then the 2 pin / RVC setup isn't really a big issue.

    • @miiiikee_
      @miiiikee_ 3 роки тому +3

      @@mechmanalternators yeah it probably isn’t much of an issue there. It really started to bother me when I put the whole truck on lithium. It wants steadier voltage.

    • @mechmanalternators
      @mechmanalternators  3 роки тому +1

      @@miiiikee_ Good point, forgot about the Lithium switching.

    • @miiiikee_
      @miiiikee_ 3 роки тому +4

      @@mechmanalternators yeah, even just getting the voltage to hold steadier in the high 13's to mid 14's without the RVC interfering should be great

    • @304cortez85
      @304cortez85 2 роки тому

      This! man it gets my ocd going and always makes me feel like something is wrong even though I know it isn’t lol. I currently have an rp 2000 and two evl 12s as a starter kit haven’t installed it yet but will be next week into my 09 tahoe I’m trying to get my electrical system set up to handle 5k watts since I know I won’t be going over that. Is this the alternator I should order along with maybe a second battery ?

  • @Tkssa580
    @Tkssa580 2 роки тому +1

    Just had Richard over at Mechman replace a diode and upgraded to this p103 rvc bypass. It’s awesome!

  • @Mani-aX
    @Mani-aX 2 роки тому +1

    Thanks for this video Tony. I remember coming by the new office you all have and meeting you at the counter and asking about alternators for my 03 Chevy Silverado.
    You showed me all of the instructions and even went out to my vehicle with me and showed me some tricks to help get the alternator replaced and the new belt.
    Will definitely be purchasing from you guys again in the future. Oh and yes... my voltage after engine warm up is right at 14.6 and takes a pretty big hit from the audio gear to even make that bad boy flinch.

  • @eloyzamora4107
    @eloyzamora4107 3 роки тому +8

    I had the first setup on my 400 amp mechman on my 17 Silverado which was regulated sent it back to get the old style regulator for it to be stand alone and did the same bypass for the battery light won’t come on in the dash and I’m much more happier with the stand alone!!!

    • @mechmanalternators
      @mechmanalternators  3 роки тому +1

      Awesome, thanks for the feedback!

    • @eloyzamora4107
      @eloyzamora4107 3 роки тому +1

      By any chance are y’all gonna come out with a dual alternator bracket for these year models anytime soon?

    • @mechmanalternators
      @mechmanalternators  3 роки тому +3

      As of right now, it's not on the table. We're pretty sensitive on our brackets as they need to be built extremely sturdy, provide killer belt wrap to limit as much deflection as possible. So when/if we build one it needs to be better than what's currently being offered.

    • @ptcustom81
      @ptcustom81 3 роки тому +4

      I just sent my 370 amp back to Mechman after a month of having it to have it converted as well. My truck was doing some weird stuff with the voltage with the 370 installed and Mechman recommended upgrading it to a one wire turn on bypassing the RVC on a 2015 Silverado.

    • @eloyzamora4107
      @eloyzamora4107 3 роки тому +1

      @@mechmanalternators Ah ok cool thanks for the reply!

  • @snivesz32
    @snivesz32 3 місяці тому +3

    It’s worth mentioning that the stock GM RVC feature has 6 modes: charging, cruise, deceleration regen, desulfation, high performance, battery warming. So, by just leaving it stock your lead acid battery will last longer, truck will get better mileage, and engine will make more horsepower. Just putting that out there so folks can make an educated decision on what they want to do.

    • @mechmanalternators
      @mechmanalternators  3 місяці тому +1

      Correct, we cover this on our website:
      www.mechman.com/instructions-and-technical-resources/gm-2pin-rvc-explained/

  • @AARON-by9pf
    @AARON-by9pf 3 роки тому +4

    Saving up money for a 240 Mechman alternator for my 92 Chevy truck🤑🇺🇸

    • @mechmanalternators
      @mechmanalternators  3 роки тому +1

      How much more ya need to save up? :)

    • @AARON-by9pf
      @AARON-by9pf 3 роки тому +4

      @@mechmanalternators well I'm at the plasma place getting $100 to donate so roughly 200 bucks but I'll get it because I'm finishing up a tile floor no worries 👍👌

    • @AARON-by9pf
      @AARON-by9pf 3 роки тому +3

      Ordered some GP one on gauge wire along with double fuse block and a distributor block looking for some acrylic now

  • @beekeeper8474
    @beekeeper8474 2 роки тому

    BBI has me wanting one of these. On my wish list.

  • @whoopdeedo83
    @whoopdeedo83 2 роки тому +2

    You aint kidding about the heat. It was 90+ yesterday and I noticed the voltage was sitting around 14-14.3. I typically stay steady around 14.7. (2004 Tahoe)

    • @mechmanalternators
      @mechmanalternators  2 роки тому +1

      Thank you for NOT calling us and freaking out. :)

    • @whoopdeedo83
      @whoopdeedo83 2 роки тому

      @@mechmanalternators You're welcome. My amps rated at 12.6 so 14 doesn't bother me.

  • @lylegoodluck
    @lylegoodluck 3 роки тому +2

    Just emailed you just now.. good work!!

  • @kstreezydt
    @kstreezydt 2 роки тому +4

    I need this asap I’ve been wondering for a long time why my truck drops to 12 volts and now I know
    Why

    • @zacharydunn4779
      @zacharydunn4779 2 роки тому +1

      I'll send you mine. DID NOT WORK !!!! 40 bucks ship it to your door

  • @jefferyglover4295
    @jefferyglover4295 3 місяці тому

    I totally understand now, thank you.

  • @BlaserBuilds
    @BlaserBuilds 2 роки тому +2

    Do you have a part number you prefer, for the Regulator to swap in?

  • @Fox250R
    @Fox250R 7 місяців тому +2

    Hello, I have a 2024 Chevy Trail boss 6.2. I was wondering what are the options today to turn this Rvc off? Thank you 🙏

    • @tnt666tnt
      @tnt666tnt 3 місяці тому

      Ever come up with any fix? Looking to do the same

  • @jmg5155
    @jmg5155 3 роки тому +2

    Where can you buy that 4 pin with that wire and the plug to trick the vehicle to think everything is running ok

  • @zacharydunn4779
    @zacharydunn4779 2 роки тому +2

    Does this module work with ONLY Mechman alternators ?

  • @BuenasVibras909
    @BuenasVibras909 2 місяці тому +1

    So is this what I need to do on my 2022 Silverado when I upgrade to a higher output alternator

    • @FinnaBin
      @FinnaBin Місяць тому

      Also have an 02 did you take care of it yet

  • @touring189
    @touring189 3 роки тому +2

    I need something similar for my 2018 Honda Accord!!! 🙏

  • @chrisfiske
    @chrisfiske 3 роки тому +1

    The plug I got with my alt was not a one wire like this one lol it has a plug on it too I guess so I can plug my old harness into it but when I do it turns the alt off but if I plug it in without the harness it works… I have a 95 S-10 V6 when I hook up the wire to 12 volts it’s fine but if I plug my old harness into it it shuts the alt off

    • @mechmanalternators
      @mechmanalternators  3 роки тому +1

      Sounds like you have some electrical gremlins AFTER the harness.

  • @doctorhaircut
    @doctorhaircut Рік тому +1

    I have a 2018 Chevrolet Trax LT and I’m having this issue. Would this work for me?

  • @joecockheran7682
    @joecockheran7682 2 роки тому +1

    need more help understanding this where would you put the other part that connects to the constant side

  • @robertjackson19965
    @robertjackson19965 3 роки тому +2

    how can I get my 2 pin 370 running off the 4 pin plug . I bought the 2 pin based off my truck year 2005 Tahoe . But I didn’t know the truck was going to regulate the voltage . Is there anything I can do to make it stand alone . It is a dual alt setup

    • @mechmanalternators
      @mechmanalternators  3 роки тому

      Just use our online RGA ticket and send it back to us and we'll convert it correctly and have you all set up ready to go! www.mechman.com/rga-request/

  • @ptcustom81
    @ptcustom81 3 роки тому +1

    Is it normal for the P103 model to work when it wants to? Sometimes I can start the truck with no warnings or battery light and Sometimes I get warnings and battery light on. The model is plugged in all the way and is locked in place.

    • @mechmanalternators
      @mechmanalternators  3 роки тому +1

      Usually in those cases finding a different 12v switched source for the alternator can work. These newer electronics can be very finicky.

  • @mrarikara975
    @mrarikara975 2 роки тому +1

    SOLD

  • @bears893
    @bears893 2 роки тому +2

    I have a 2011 Tahoe, will I be able to use this upgrade and is it safe with my vehicles wiring ! agm battery?

    • @mechmanalternators
      @mechmanalternators  2 роки тому

      Absolutely safe. Alternators only put out what is DEMANDED of them.

  • @T3576
    @T3576 Рік тому +1

    I would love to have that, however the 240 amp alts is all i could afford, this thjngs are not cheap, however, ? Will that work on the 2 pin mechman 240 alt? If so please share the link

    • @mechmanalternators
      @mechmanalternators  Рік тому

      Just use our MM-VC1 for the 2pin GM style regulators. www.mechman.com/voltage-controllers/mm-vc1-2005-gm-2pin-rvc-voltage-controller/

  • @mikebrooks8906
    @mikebrooks8906 Місяць тому

    So can i jus connect it to my 03 tahoe since its 4 pin also?

  • @iAmsha
    @iAmsha 3 роки тому +1

    Do mechman make alternators for 2018 Acura ilx?

    • @mechmanalternators
      @mechmanalternators  3 роки тому

      Sorry, no. All available applications are listed on www.mechman.com

  • @2treo15
    @2treo15 8 місяців тому

    What will be the charging voltage on a 2009 Sierra with a 400a alt with the rec bypass and stand alone harness?

  • @devinjaques9338
    @devinjaques9338 11 місяців тому

    What's on my mind?? My trucks battery? Brand new! alternator? Passed the test it's a good alternator! Truck still dies overnight and now more recently when I hit the brakes hard or change into reverse and turn the wheels or if I shut it off and leave it for a few hours without using killswitch it's dead installed a killswitch to shut off all power overnight.. and it still dies after a few trips from a freshly charged battery and shutting off main power as soon as I get out of truck .. got any ideas??? I've done Amp draw test in line on ground no draw when just disconnect and reconnect battery after stuff goes to sleep
    I dont have the rvc fuse so i dont have that generator battery control module.. .. ..stumped 2005 chevy silverado 4wd extended cab 5.3l

  • @darinmoorman1872
    @darinmoorman1872 2 роки тому +2

    With that you don't need to run your ground threw the rvc right

    • @mechmanalternators
      @mechmanalternators  2 роки тому +1

      Correct!

    • @darinmoorman1872
      @darinmoorman1872 2 роки тому

      I bought a alternator from y'all just to make shur that when the bass hits it's normal for the voltage to drop down to 13 or 12 is that normal

    • @mechmanalternators
      @mechmanalternators  2 роки тому +2

      @@darinmoorman1872 Ideally, no. This means you have some issue to look into. What is the RMS rating of all the amplifiers you have? You possibly could have too small of an alternator for your setup.
      Also, what battery or batteries do you have? You could possibly need bigger or more battery reserve.
      You could also have belt slip problems. It's harder to turn an alternator when under load so if the belt is not gripping, its not turning the alternator to make the power it needs.
      Also could be wiring. Cable size, length of run and even grounding locations/quality.
      For reference, I have a SALT 1700.5 amplifier in my truck, 2 underhood AGM batteries and currently operating(testing) a 370-amp alternator. While cruising the voltage rarely fluctuates more than .2-.3 volts under full load. At a stop light/idle, itll touch on a 13.9-14.4 voltage range under the most load which is my ammeter soley on the amp(doesn't include amperage needed for truck) will usually pull around 155-160 amps.
      The 370 ap alternator makes around 190-200 amps at idle so this ensures i never dip into NEEDING the battery bank to support the power. If you are dipping into the 11 volt range you are needing more than you can provide.

    • @darinmoorman1872
      @darinmoorman1872 2 роки тому +1

      I have a $240 amp alternator make man a 1200 watt RMS amplifier a AGM 1200 w battery 4 gauge running from the battery to the amp the upgrade one ground from alternator to battery of zero gauge one power from alternator to battery 0 gauge and it's the voltage on my radio that drops down to around 12 6 12 9 every now and then but my truck dash voltage will never drop below 14 I just bought a stinger to hook to my amp someone told me that the radio voltage might be off by volt

    • @darinmoorman1872
      @darinmoorman1872 2 роки тому +1

      But the voltage meter in my truck never goes below 14 and before I put the alternator mechman 240 and AGM it did drop on the meter in my dash for voltage

  • @E.H.andrew
    @E.H.andrew 4 місяці тому

    My 07' Chevy Colorado rest at 13.7 -13.8 . Will this work on a 4cly 2.9L Chevy Colorado 125 amp alternator.

  • @MikeHightower1
    @MikeHightower1 3 місяці тому

    I have 2018 Buick enclave and alternator fluctuates then stops and fully charges battery when the head lights are on. This seems like what I need to keep alternator running

    • @mechmanalternators
      @mechmanalternators  3 місяці тому

      Or, just use our new MM-VC1 voltage controller. Much easier now! ;)

  • @robertwilliamson6124
    @robertwilliamson6124 Рік тому

    What is that part that you plugged the 101 into then into the alt?

  • @NateHarrisCreations
    @NateHarrisCreations 9 місяців тому

    Will this work on a 2016 sierra What’s the part numbers for all 3 parts?

  • @richardstockwell4862
    @richardstockwell4862 2 роки тому

    i came here looking for what is supposed to be on the two wires. i know that L is supposed to be a duty cycle that changes but what is the other and what do i have to do to get alternator to charge with the two wires?

    • @mechmanalternators
      @mechmanalternators  2 роки тому

      You can't. You cannot run a 2pin alternator by itself, it needs a computer to operate it. Or, if you are OK with 13.4-13.6 volts it will default to that when unplugged/not connected.

  • @TheRizal2727
    @TheRizal2727 2 роки тому +1

    Hi there I have a 2021 1.8 Corolla
    I need an high output alternator but don't want lights on
    Can you help me with that?
    Thank you!!!!

  • @bigdiezel9105
    @bigdiezel9105 21 день тому

    Does this method work with 4:56 the 2020 sierra 5.3 ? Do u have a link available I can purchase these items for my vehicle?

  • @MichaelReyes-u8x
    @MichaelReyes-u8x 2 місяці тому

    Where can I buy it

  • @bashns7743
    @bashns7743 3 роки тому +1

    Hey man, i called Mechman bc i purchased a MM 370 amp alternator for a 2018 GMC Sierra from D4S about 2 months ago and everything was working fine up until a couple of days ago, the battery charging system icon popped up on the dash. Went to get it checked out at an Oreilly and they said it was the alternator but Mechman said it wasnt. They said it had something to do with the RVC and ground wire? I didnt understand them. But why would my alternator mess up out of nowhere? All big 3 is hooked and all good, could anyone help?

    • @mechmanalternators
      @mechmanalternators  3 роки тому +1

      Sounds like you may need to watch our video about the 2005> trucks and correct wiring/cabling here: ua-cam.com/video/IccufClp-0c/v-deo.html
      If that is correct, the other "go to" is the shorter belt option. This information is covered on our website as well as documentation included with any alternator purchase.

  • @594GS
    @594GS 2 роки тому +1

    Do you need to do this in a 2004 suburban?

  • @steventorres4677
    @steventorres4677 2 роки тому

    I have a 2012 Chevy Avalanche and have just upgraded my alternator to a 300 amp unit. I now have a "service battery charging system" on my computer screen and a Red battery light on all the time. Can the system in your video solve this issue? If so, how can I order it? I don't see these parts on your website. Thanks

  • @minig4126
    @minig4126 Рік тому

    Bought a 370 amp elite from down4sound for my 05 Chevy 1500 came with the 4 pin setup I can’t recall if it came with the p103 plug or not went to install it noticed the plug was different I was mad called down4sound said I got the wrong unit it bolts up but doesn’t plug in no instructions lol returned the unit to them took a 100+ dollar restocking fee wish they woulda talked me through this process wasted time and money still have to order me another alternator so beware guys and gals it doesn’t matter if you order the 2 pin or 4 if your gonna bypass the rvc system if I am not mistaken. This was couple years ago before these videos were posted fyi.

  • @angelverdusco1841
    @angelverdusco1841 2 роки тому +1

    Hello everybody so I just ordered a mechman 400 alt for my 16 sierra. So with bypass do I still need to run my grounds through the amp meter? Im also adding a second battery how would I ground it to the starting battery if only one 0 gauge wire fits through the amp meter someone help me thank you

    • @mechmanalternators
      @mechmanalternators  2 роки тому +2

      Once bypassed the sensor is no longer needed.
      Just ground each battery to the frame.

  • @zacharyfarmer2219
    @zacharyfarmer2219 4 місяці тому

    Where can I order a RVC BYPASS and how to install

    • @mechmanalternators
      @mechmanalternators  3 місяці тому

      www.mechman.com/voltage-controllers/mm-vc1-2005-gm-2pin-rvc-voltage-controller/

    • @marquetterichardson6529
      @marquetterichardson6529 2 місяці тому

      ​@mechmanalternators can I order these just for machman or can I use on other aftermarket alternators?

  • @Grummett35
    @Grummett35 2 роки тому

    Do you guys sell the 4 pin regulator i have a js 410 amp alternator with the 2 pin plug iv been trying to figure this out for awhile now

  • @trizzlepgrew1505
    @trizzlepgrew1505 Рік тому

    I have daul alternator on 2001 tahoe one for truck and one for audio system alt comes on stays at 14.8 and wont charge when need to i have all the necessary grounds and positives goin To rear Batts and also have a 49 amp 4 pin relay spst also swapped around alternators same issues need help

    • @mechmanalternators
      @mechmanalternators  Рік тому

      Yea, theres like 57 different that could be going on. I'd consult an audio or repair shop for accurate diagnosis.

  • @angelverdusco1841
    @angelverdusco1841 6 місяців тому

    Hello I have a 400 amp alt on my 16 Sierra started noticing when I’m at a red light and not playing the music loud my voltage drops to about 14.2 but as soon as the light turns green and I hit the gas it goes back up to 14.6 is that normal during the summer since the temperature is rising or is something else going on?

    • @mechmanalternators
      @mechmanalternators  6 місяців тому +1

      Might be possible slight belt slip or just some good old fashioned heat soak.

    • @Marijuanajones
      @Marijuanajones Місяць тому

      @@mechmanalternatorsdo you mean belt slip as in the belt is too long and he needs to go 1/2 inch shorter??

  • @InCombatDaily
    @InCombatDaily Рік тому

    Does this require a mechman alternator to work?

  • @Ghosst1960
    @Ghosst1960 6 місяців тому

    i have a 370 e series alt in my 2012 impala, i’ve done my big 3 with all copper wire i have good grounds but im only charging at 13.7 - 13.8 could you tell me why im charging so low?

    • @mechmanalternators
      @mechmanalternators  6 місяців тому

      How old is the alternator / When was it purchased?

    • @Ghosst1960
      @Ghosst1960 6 місяців тому

      @@mechmanalternators i bought it about 2/3 months ago.. it was brand new when i bought it

    • @Ghosst1960
      @Ghosst1960 5 місяців тому

      @@mechmanalternators it was brand new

    • @mechmanalternators
      @mechmanalternators  5 місяців тому

      @@Ghosst1960 Is the regulator on that alternator a 2pin or 4pin style?

    • @Ghosst1960
      @Ghosst1960 5 місяців тому

      @@mechmanalternators 4 pin with 1 yellow 12v wire

  • @charlesvega3937
    @charlesvega3937 2 роки тому

    so I have a 1997 s10 4.3L .bought a mech man installed but can't get it to charge.. any help will be appreciated.

    • @mechmanalternators
      @mechmanalternators  2 роки тому

      Could be anything, the electrical systems on those vehicles are very simple. Just call in and let us know whats going on. 18886324626

  • @bismark1149
    @bismark1149 Рік тому

    will this work for a 2019-2021 gmc sierra????

  • @jamiewiden9237
    @jamiewiden9237 2 роки тому

    I have a 2017 Silverado, what length wire is needed from the alt to the battery? Thanks!

    • @mechmanalternators
      @mechmanalternators  2 роки тому +2

      Really? REALLY? I would suggest investing in a tape measure.

    • @jamiewiden9237
      @jamiewiden9237 2 роки тому

      @@mechmanalternators I appreciate your potential customer service response smartass!

    • @mechmanalternators
      @mechmanalternators  2 роки тому +2

      @@jamiewiden9237 I mean...it's WIRE man. You can route wire 57 different ways and get 57 different measurements. They sell it by the foot for a reason. Sorry....

    • @jamiewiden9237
      @jamiewiden9237 2 роки тому +1

      @@mechmanalternators no worries, maybe I should have worded my question different. I was hoping that since it was the same setup as my truck will be that you had a designated length already for the 2014-2018. I have several tapes measures and I will figure out what I need. Have a great day!

    • @mechmanalternators
      @mechmanalternators  2 роки тому +2

      @@jamiewiden9237 Thank you Jamie. We honestly just have a spool of wire, drape it over where we want it to go and cut it.
      Some people like to be fancy and loop it/trace it with other wires under the hood so what "we" think looks good may not be what you think looks good. :)

  • @DanMcD80
    @DanMcD80 2 роки тому

    Do you have an option for a denso 421000-0810 alt? My Jeep JK computer limits charging to 14v but I need a min of 14.4v to charge my northstar x2 batteries

  • @daedae1342
    @daedae1342 2 роки тому

    Would this rvc bypass work with a 2017 chevy equinox 2.4l

    • @justinnelson6552
      @justinnelson6552 2 роки тому +1

      Not sure but call Mechman and they can tell you which one you need

  • @hitmanbuc
    @hitmanbuc 6 місяців тому

    Would this work for chevy cruze?

  • @garysimpalow7467
    @garysimpalow7467 2 роки тому

    Would this setup work on my 06 impala 3.8l v6? Currently have a mechman 320a installed now. And at idle it dont charge for poo.

    • @mechmanalternators
      @mechmanalternators  2 роки тому +1

      I'm only showing a 3.5 and a 3.9 V6 engine for that 06 model year.

    • @garysimpalow7467
      @garysimpalow7467 2 роки тому

      @@mechmanalternators yes sorry. It is the 3.9 v6. Typo.

    • @mechmanalternators
      @mechmanalternators  2 роки тому

      @@garysimpalow7467 We do not advertise or sell a 320 on our website. That application uses a small case style alternator and when you go over 300 amps, it moves the power UP in the RPM range so it won't charge much if at all at idle. We 9/10 recommend a 240 version because it has the best balance of output at idle and cruising RPM's.
      www.mechman.com/alternators/buick/allure/3-8l/2006-2009/240-amp-alternator-for-gm-late-front-wheel-drive-v6/