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Left front turn signal will not work

Tiny
TERRY DEFOE
  • MEMBER
  • 2008 CHEVROLET EXPRESS
  • 6.0L
  • V6
  • 2WD
  • AUTOMATIC
  • 230,000 MILES
The running light works fine but when I signal only the back signal flashes. I changed the bulbs and checked fuses. I took apart the socket and all looks good. Any ideas?

Thank you
Thursday, February 27th, 2020 AT 7:06 AM

1 Reply

Tiny
AL514
  • MECHANIC
  • 4,125 POSTS
Hello, the next check would be using a test light to see if there's power up there, with the test light connected to battery negative and turn the blinkers on, test light should flash just like the blinker does. A test light is cheap and good to have, you can purchase one at your local auto parts store.
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
https://www.2carpros.com/articles/how-to-check-wiring
Here's a couple guides to help you along.
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Thursday, February 27th, 2020 AT 8:54 AM

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