Tail lights

Tiny
KAAACEEE
  • MEMBER
  • 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

Tiny
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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