1990 GMC Truck Taillights

1990 GMC TRUCK
190,000 MILES • V8 • 4WD • AUTOMATIC
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BECHAROF
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The taillights on this vehicle will not come on when the headlights are turned on.
-Brake lights work
-turn signals work
-reverse lights work
-hazards work

All lights are bright
The vehicle has an alarm on it- when activated/ deactivated- all taillight bulbs flash as they should

all bulbs work, fuses seem fine, cleaned and reconnected ground

at the same time this problem started- the interior dash lights went out- dont know if its relevant

turn signal switch, nuetral safety switch replaced about a year ago
help please- thanks
Sep 13, 2009 at 11:25 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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