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Tail lights

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1993 GMC SIERRA
V8
2WD
AUTOMATIC
130,000 MILES

I have a 1993 GMC sierra k1500 I have replaced the taillght lamps, put in new flasher, fuse's are ok. All the lights work. But When I turn on my headlights the back taillights don't come on. Whats wrong?

Saturday, March 5th, 2011 AT 2:08 PM

1 Reply

JDL

MECHANIC
16,098 POSTS

Did you check for voltage at applicable fuse? Use a voltage tester. At the rear, brown wire is voltage for tail lamps, goes hot/voltage when you turn on headlamp switch. Any voltage?

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Saturday, March 5th, 2011 AT 5:05 PM

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