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2015 Sierra tail light wiring

CET1

By CET1
in Troubleshooting & Recalls

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CET1 New Member

CET1

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I have a 2015 Sierra 1500 that I just bought. The previous owner has jumped the rear right signal wire to the trailer wiring to get the signal to work. Does anyone know where I can get a layout of the wiring block that is behind the spare tire to see which wire is supposed to actually go to the right signal? Thanks.

Ianf Enthusiast

Ianf

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Go to GM upfitters website and download the wiring section. It has all the wiring for all GM trucks

 

CET1 New Member

CET1

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Thanks. 898 pages was a little much to navigate. I tried but didn't find what I needed.

You are pretty close to me, I'm in Queensville.

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