tailight problem - Automotive Wiring and Electrical


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tailight problem

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Auto Repair Home>> Automotive Repair>> Automotive Wiring and Electrical

mcwilkerson
New User

Dec 13, 2007, 5:21 PM

Post #1 of 4 (1590 views)

tailight problem	Sign In

I am working on a 200 chevrolet G3500 van. When I turn on the headlights everything comes on and works correctly, but when i press the brake pedal the passenger side light that is supposed to get brighter just cuts off. Ive already tried to replace the ground but that didnt work. I think i have either a bare wire thats grounding out or a bad connector somewhere. Does this sound familiar to anyone?

DrElectrics
Enthusiast

Dec 13, 2007, 7:48 PM

Post #2 of 4 (1587 views)

Re: tailight problem	Sign In

Remove and replace bulb. While there, bend the contacts of the socket in a little bit so it is a tighter fit. Because it is a double contact globe, when the normal tail lights are on power is going to one contact. when the brake is applied it doubles the power to the second contact. If it is worn or busted. The light will short.

DanD
Veteran / Moderator
DanD profile image

Dec 14, 2007, 5:56 AM

Post #3 of 4 (1583 views)

Re: tailight problem	Sign In

I agree with the Doc; a ground issue, with just this one light being affected.
Does the brake light work for that side when the brake light is the only thing on?
The ground wire for this socket is bolted too “right rear interior, behind right rear wheelhouse” according to the manual.
If this van is a cargo van, it wouldn’t be hard for something to have hit the harness and break the ground wire off.

Dan

Canadian "EH"

Double J
Veteran / Moderator
Double J profile image

Dec 15, 2007, 1:02 PM

Post #4 of 4 (1573 views)

Re: tailight problem	Sign In

just a thought...the general(gm) had problems with the multifunction switches taking out the stop lamps and or hazard lamps...sometimes just a stop lamp on one side......big time problem on the s10 models..had bulletins then recalls on s10's.......i know yours is a van but could have similar problem.....hope i helped....

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