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Vladgmru
Vladgmru, Automotive Electrician
Category: Pontiac
Satisfied Customers: 2637
Experience:  I've been working with American made cars since 1992.
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I have a 96 Firebird Formula 5.7 6spd. On the rear lights.

Customer Question

I have a 96 Firebird Formula 5.7 6spd. On the rear lights. the tail lights by themselves work fine and the brake lights by themselves work fine. However, when the tail lights are on and I step on the brakes two of the four lights go out completely. One on each side. The other two continue to work as normal.
Submitted: 10 months ago.
Category: Pontiac
Expert:  Vladgmru replied 10 months ago.

Hello and welcome to JustAnswer.

My name is Vlad.

Based on your description of the problem, it sounds like you have a bad ground issue.

All rear lights share the same ground G400 so you will need to make sure it is tight and clean. It should be attached somewhere near the rear compartment lid lock release actuator.

Please let me know how it goes.

Thanks

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