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mike1965

05-17-2013 02:15 PM

99 gmc

i have 99 gmc sierra 2500 work truck brake lights quit working all else works ,even 3rd brake light i have checked fuses,brake light switch, bulbs, circuit boards,all check ok anyone have ideas on what is wrong thanx.... mike

Red,	05-17-2013 05:18 PM

They should work . . .

Quote:

Originally Posted by mike1965 (Post 80337)

I have 99 gmc sierra 2500 work truck brake lights quit working all else works,
even 3rd brake light I have checked fuses, brake light switch, bulbs, circuit boards,
all check ok anyone have ideas on what is wrong thanx....

Mike

If everything checks out OK-

Then they should work ?

Check em' at night !

Red, *<(:{)-

In2Trux

05-18-2013 12:25 AM

I would check for voltage entering at the printed circuit board. Those boards are renowned for failing. Use a multi meter

acnas

05-18-2013 09:28 AM

If third brake light is working usually turn signal switch is bad. Sometimes if you play with the hazard button, on and off a few times, lights may start working for a while.

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