Right turn blinker turned on with high beams?

RAGINGSOUL

MEMBER
2004 CHEVROLET TAHOE
5.3L
V8
4WD
AUTOMATIC
232,543 MILES

When I turn my right turn blinker on the high beams come on, I'm not sure if that is a warning of another light being out or not? Could it be that the switch in the steering wheel column is gone or shot?

Might you have any idea what it could be? Any suggestions or help would be very grateful as always.

3 Replies

KEN L

MASTER CERTIFIED MECHANIC
46,719 POSTS

This must be a wiring issue because the blinkers do not intersect with headlights in the wiring diagrams. I would start at the front right headlight and blinker wiring to look for damage or wiring repairs that were not done correctly. Here is the headlight wiring so you can see what's going on.

Please go over this video as well:

https://www.youtube.com/watch?v=e-gDH1Ce_7E

Check out the images (below). Please let us know what happens.

Images (Click to make bigger)

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Tuesday, October 15th, 2024 AT 9:54 AM

RAGINGSOUL

MEMBER
46 POSTS

I have never seen in my 45 years of working on vehicles where you flip on the blinker and the high beam comes on. That's a great place to start. I thank you very much for that and as soon as I get time I'll start looking. Again, you guys the 2CarPros are so awesome absolutely the best and I recommend all my friends to contact you when they have issues. Thank you again so very much and I hope you guys have a wonderful day.

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Tuesday, October 15th, 2024 AT 9:58 AM

KEN L