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2003 Chevrolet Suburban turn signal

Tiny
MIKE_2112
  • MEMBER
  • 2003 CHEVROLET SUBURBAN
  • V8
  • 4WD
  • 200,000 MILES
When I activate left turn signal the hazard lights come on, I have changed both the 5 prong flasher modulators and it fixed nothing, I dont have any problems hazards working normally otherwise
Wednesday, December 10th, 2014 AT 11:45 AM

3 Replies

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Sounds like a problem in the indicator switch it self, start with back probing for current leak at the back of the switch, it sound s as if the switch is activating bout side at once and not actually switching on the hazards.
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Wednesday, December 10th, 2014 AT 12:21 PM
Tiny
MIKE_2112
  • MEMBER
  • 1 POST
It doesn't happen when I activate the right signal.. How do I check the switch??
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Wednesday, December 10th, 2014 AT 12:32 PM
Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
You need a multi meter, un plug the switch and check continuity between the main power wire and each signal wire, if you have continuity down both paths with the switch set on left turn the switch is faulty.
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Thursday, December 11th, 2014 AT 12:41 AM

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