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When left blinker is turned on it is engaging the brake

Customer Question
When left blinker is...

When left blinker is turned on it is engaging the brake light. This will shut off cruise control. I noticed that when turning on the signal that the rear signal light flashes, but also the brake light on that side does

Mechanic's Assistant: Have you checked the brake fluid? How's the level and when was it last changed?

Was that an automated answer?

Mechanic's Assistant: What is the model/year of your Chevy?

2004 tahoe z71

Mechanic's Assistant: Are you fixing your Tahoe yourself? What have you tried so far?

Yes i have pulled the back light fixture out. Bulb connections are good signal switch (left) engages left rear brake light brake engages the same light, but notice it does not engage the right rear brake light

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

That pretty much sums it up

Submitted: 7 months ago.Category: Chevy
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Answered in 25 minutes by:
12/8/2017
Chevy Mechanic: Steve, Automotive Expert replied 7 months ago
Steve
Steve, Automotive Expert
Category: Chevy
Satisfied Customers: 25,841
Experience: Automotive Expert
Verified

Please do not forget to click a positive rating as this is the only way I receive credit for my answer, thank you

hi, this actually sounds like a short or wiring issue of some kind - there isn't really a compelling reason the lighting system would otherwise trigger the brake light along with the blinker. I would check all wiring very carefully.

Please let me know if you have further questions. Please do not forget to click a positive rating as this is the only way I receive credit for my answer, thank you. Best wishes with your vehicle.

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