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Need a factory stereo wiring diagram non-Bose system?
DOUG WINOWIECKI
MEMBER
2011 GMC SIERRA
4.8L
V8
4WD
AUTOMATIC
142,000 MILES
Need a factory stereo wiring diagram non-Bose system 2011 GMC SL 1500 Sierra color coded please.
Monday, July 31st, 2023 AT 10:25 AM
3 Replies
KEN L
MASTER CERTIFIED MECHANIC
47,602 POSTS
Sure, here are the stereo wiring diagrams and a guide to help you test the connections.
https://www.2carpros.com/articles/how-to-check-wiring
Check out the images (below). Please let us know if you need anything else to get the problem fixed.
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Monday, July 31st, 2023 AT 5:27 PM
DOUG WINOWIECKI
MEMBER
2 POSTS
Could you tell me what these wires represent? Thank you again. 2011 GMC Sierra 1500 sl 4.8 lt flex fuel they are from back of radio.
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Tuesday, August 1st, 2023 AT 9:52 AM
KEN L
MASTER CERTIFIED MECHANIC
47,602 POSTS
These are out of the back of the radio, correct? You can use the wiring diagrams to see where each wire goes and what it does.
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Wednesday, August 2nd, 2023 AT 6:21 PM
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