turn signals

2010 GMC SAVANA
125,000 MILES • 5.3L • V8 • 2WD • AUTOMATIC
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JAMESETUNNER
  • MEMBER
  • 1 POST
left signals not working, but the right are working.
Sep 3, 2016 at 10:18 AM
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HMAC300
  • ✓ASE Certified Mechanic
  • 48,601 POSTS
  • ASE Certified Mechanic
check bulb first then check to see if power is coming to it if no power to it go to multi function switch and check yellow wire under driver seat and see if power is going through both sides of junction block. if not have it scanned for codes by a mechanic see if body module is problem.
Sep 3, 2016 at 10:50 AM
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