1998 Mack CL Gauge Cluster Repair, # 57MR45M at PS Electronics, Call 888-820-3476

Today we have a gauge cluster, or instrument cluster, or some call it a dash board, from a 1998 Mack CL-713 Truck. Customer states, no illumination. This has been to another electronics shop and they said they can't fix it. Lets see if I can.
Electronics repair at PS Electronics [phone]
Have something broken? What are you waiting for? Call now! 888-820-3476 (OK don't really "call now", call when we are open, Monday to Friday 10am to 6pm Eastern time. Or you can email now at [e-mail] and we will get back to you when we open.)
Specializing in Apple MacBook repair but I will fix anything that's fixable that walks through my door!
Call or Click today!
www.PSE-NJ.com
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[@runklestiltskin_2407]

I love the way you work! Methodically, precise, clean.

[@wongway40]

From Mac books to Mack trucks, love your work Paul S

[@RothPablo]

Oh, i got many of those lamps in my pinball machines. Also in the same way the boards but diferent conectors, just molex pined square.
Same problem all the time, broken solders pins because the vibration. Sometimes the brass interiors of the lamp sockets go lose and the lamp go intermitent.
Love the video. Thanks!

[@WayneSallee-comTech]

Old extension cords and old appliances that people throw out makes for a good source of free uncoated wire.

[@_PatrickO]

Any recommendation on the temperature rating for the magnet wire?

[@davidminetree7885]

How do you fix the odometer on that cluster

[@kodicochran5251]

I have a Mack cluster that also won't illuminate anymore are you still fixing these and ballpark how much it's out of 01 Mack looks very similar to that one

[@A2000MHz]

@@kodicochran5251 please direct all business inquiries to [e-mail] or call 888-820-3476 during business hours.

[@kriswillems5661]

Let me try to explain why LEDs in cars don't dim well:
If an LED is 3V/20mA and there is 9V over the series resistor (so you have a total of 12V), the series resistor must be 9/0.02 = 450 Ohm. A normally light bulb might be like 1.2 W, so at 12V it has current of 100mA and thus the resistance of the bulb is 120 Ohm. To make the bulb half as bright the car will put a 120 Ohm resistor in series with the bulb. The problem is, if you put a 120 Ohm resistor in series with the LED, which already has a build in 450 Ohm resistor, the total series resistance will only go up from 450 to 450+120 and this will not half the current.