Brake light

1999 JEEP GRAND CHEROKEE
250,000 MILES • 4 CYL • 4WD • AUTOMATIC
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PEGGY ARMSTRONG
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  • 1 POST
My brake light in the rear in the driver's side will only come on if my headlights are off. When I turn my headlights on only the driver's brake light goes out. What could be the problem? Thank you all in advance.
Nov 13, 2018 at 9:43 PM
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ASEMASTER6371
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Good morning.

This usually comes from either a bad socket or a bad ground. When the ground is not correct or dirty, it will not work both portions of the bulb.

I attached a picture of the socket as well as the ground location. It is G302 in the picture.

Roy

https://www.2carpros.com/articles/how-to-check-wiring
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Nov 14, 2018 at 3:54 AM