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Trying to find the turn signal flasher or relay

Tiny
JCOCHRANE
  • MEMBER
  • 1997 GMC SIERRA
  • 254,000 MILES
I have located the hazard flasher under the dash behind the brake pedal on the firewall and was wondering if the flasher right next to it is the turn signal flasher because while I was driving I turned on my turn signal and it made a strange buzz noise under my dash and then I had no signal lights and was wondering if this might have burnt out.
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Sunday, July 29th, 2012 AT 6:50 PM

6 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
The turn signal flasher is under the dash on the drivers side here is a diagram that shows its location (#5). Check out the diagrams (Below) Please let us know if you need anything else to get the problem fixed. Cheers, Roy
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Sunday, July 29th, 2012 AT 6:54 PM
Tiny
RO_P
  • MEMBER
  • 3 POSTS
  • 1997 GMC SIERRA
  • V8
  • 2WD
  • AUTOMATIC
  • 171,567 MILES
I have changed the Flasher, switch and fuse for my turn signal. The Hazzard lights function properly, but when I try to check my turn signal, I get nothing. Not even the associated clicking. What is my next step?
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Monday, July 29th, 2019 AT 2:19 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hi
The switch you replaced was that the turn signal switch assembly?
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Monday, July 29th, 2019 AT 2:19 PM (Merged)
Tiny
RO_P
  • MEMBER
  • 3 POSTS
Yes, I removed the old and replaced with a new one. The wipers and cruise control both also work so I'm not thinking I have a switch issue.
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Monday, July 29th, 2019 AT 2:19 PM (Merged)
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Next step then is get a wiring diagram a volt/ohm meter. And start testing all the wiring.
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Monday, July 29th, 2019 AT 2:19 PM (Merged)
Tiny
RO_P
  • MEMBER
  • 3 POSTS
Thanks. I really was afraid that was the next step. There goes my weekend!
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Monday, July 29th, 2019 AT 2:19 PM (Merged)

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