Front turn signal not working

Tiny
ASWATER
  • MEMBER
  • 2006 CHEVROLET EQUINOX
  • 3.4L
  • V6
  • 2WD
  • AUTOMATIC
  • 90,000 MILES
The front driver side turn signal doesn't turn on or "flash" at all. All the other light work just fine. I have replaced the bulb, the flasher relay and checked all fuses with no luck. It seems the connection at the light bulb isn't getting power. The turn signals and hazards all work except for the one. Any idea? I was thinking of taking the battery tray and the ECM out to track down the wiring, but I think everything for the one headlight is all into one, two wire connection. So if that was the case wouldn't there be other problems with the light as well? If there is a diagram someone could link me that would be great.
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Sunday, January 20th, 2019 AT 5:33 PM

4 Replies

Tiny
D6SPAN
  • EXPERT
Hi! I would check power and ground at that turn signal. I am attaching the wiring diagram of the exterior lights, broken into three pictures so the image would be large enough for you to read. Let me know if there is anything else I can help you with.
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Sunday, January 20th, 2019 AT 5:55 PM
Tiny
KEN
  • ADMIN
Nice wiring diagrams. Here is a guide to help you test the connections:

https://www.2carpros.com/articles/how-to-check-wiring

Please let us know what you find. We are interested to see what it is.
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Monday, January 21st, 2019 AT 1:00 PM
Tiny
ASWATER
  • MEMBER
I am getting power at the fuse box under the hood which is the last main spot the wire goes, just not to the plug. Is there any ground that would only effect the one light? Or would it effect the all the lights in the headlight assembly? I can t image there in one single ground for every light, but it would seem either the wire is damaged somewhere within the 2.5ft it travels from the plug to the fuse box (and I got to pull the battery and the fuse panel out and cut the molding just to follow the wire, which I don t to do unless that s the only option) or the ground for this one individual light it bad. Neither makes sense, but that s what I am currently dealing with. Any other ideas or grounds I should check?
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Saturday, January 26th, 2019 AT 7:04 PM
Tiny
KEN
  • ADMIN
Sounds like it is the wire, use the test light to find the break or just run a new wire. Also I updated the wiring diagrams in the post above so you can see how the system works. Here is a guide to help check for power as well.

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Please let us know what happens.
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Monday, January 28th, 2019 AT 1:30 PM

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