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Chevrolet
Truck
Exterior Light
Turn Signal
Blink Fast
Wiring issue
2000 CHEVROLET TRUCK
225,000 MILES
DAVID SULLIVAN
MEMBER
1 POST
Warning lights come on right blinker. It blinks fast until I hook up a trailer , then everything works good.
Jul 6, 2017 at 5:59 PM
HMAC300
✓
Experienced Mechanic
48,601 POSTS
Check grounds on trailer harness and on truck ground. It will be on left hand frame rail at rear for truck. kind of sounds like the problem.
Jul 6, 2017 at 11:55 PM
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