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2002 GMC Sonoma turn signal

Tiny
MANIACALCHICKEN
  • MEMBER
  • 2002 GMC SONOMA
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 110,000 MILES
When I turn on the left turn signal, the turn signal and reverse light both flash, I replaced all bulbs and the flasher and a new turn signal switch because the hazard button broke. And a new neutral safety switch.
Friday, March 20th, 2009 AT 2:01 PM

2 Replies

Tiny
BLUELIGHTNIN6
  • MECHANIC
  • 16,542 POSTS
Hello
Thanks for the donation

You need to inspect wiring to the back-up indicator switch as well as the wiring to the multi-function (turn signal) switch. Usually this issue occurs when a ground wire has become faulty and not grounded properly.

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Friday, March 20th, 2009 AT 2:05 PM
Tiny
MANIACALCHICKEN
  • MEMBER
  • 2 POSTS
Thanks! I found the problem, the truck was rear ended and the trailer hitch hit the ground screw so I cleaned it up drilled it out ant put a new bolt on and it works great! Worth every penny Craig
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Friday, March 20th, 2009 AT 3:21 PM

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