tail lights

1993 GMC SIERRA
130,000 MILES • V8 • 2WD • AUTOMATIC
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KAAACEEE
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  • 1 POST
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?
Mar 5, 2011 at 2:08 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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JDL
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 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?
Mar 5, 2011 at 5:05 PM
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