Question about 1999 GMC Jimmy

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Turn signal constantly making noise as if my blinker is on even when its not, sometimes it will stop when I press the brake pedal, but once the brake pedal is let up it starts agan. I replaced the relay from behind the glovebox but this did not fix the problem. Is there any quick fix as I can not afford much more after everything else that I have had to fix already

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May be a problem with your 4way flasher switch - may be partially engaged or failing and if so, pressing the brake pedal will stop the flasher. Try turning the switch on and off a few times.

Posted on Oct 02, 2017


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Posted on Jan 02, 2017


Dennis Mulford

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SOURCE: GMC sierra 1500 '96 blinkers and brake lights will not work

i would replace the brake light swtich first its more likly too go bad than the turn signal switch

Posted on Feb 20, 2009


  • 73 Answers

SOURCE: 1998 GMC Jimmy-Turning Signal Noise

check all bulbs first

Posted on Apr 15, 2009



  • 1305 Answers

SOURCE: Brake pedal vibrates while braking and doesent stop right away

There's speed sensors at each wheel. You may have got some contamination in front of one of them... sounds like the abs is trying to compensate for un equal speed at each wheel... and something may be blocking a proper read at one of the wheels...

Posted on Jul 23, 2009


  • 225 Answers

SOURCE: 1997 GMC Sierra p/u. Brake light & blinker out. Taillights ok.

I have notice that this is a common problem. The socket most of the time goes bad, I don't know why but they just do. You can pick them up at any parts store for around 5.00 each. If you don't have a volt meter and ground straps to test it right, then I would try changing the sockets out. Quick and easy. Let us know how it goes.

Posted on Aug 30, 2009


  • 1 Answer

SOURCE: the turn signal relay keeps ticking even after the

I had the same problem and I took the switch a part due to the almost $600 new one. You have to be patient everything is plastic. But once a part I found that the contacts were tracking ( a lot of dirt and grease build up.). The steering wheel doesn't need to come off just remove the two plastic covers. remove the two hex screws that hold it and disassemble it the switch will have to be torn down further and there is the copper contacts in there wipe with rag and re-assemble. Saved me $600 for part and probably 300-400 for labour.
Total time from start to finish 2hrs. Hope this helps.

Posted on Mar 03, 2010

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