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2007 Pontiac Montana SV6, Stereo Wiring Diagram

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Member - Posts: 1
Member spacespace
Joined: July 11, 2021
Location: British Columbia, Canada
Posted: July 11, 2021 at 1:24 PM / IP Logged Link to Post Post Reply Quote mzamd
We are trying to replace a stereo in a 2007 pontiac montana sv6, but we can't find a wiring diagram anywhere. Unfortunately the previous owners took off the factory harness. We believe we have most wires figured out but there's a couple we are unsure about. The constant 12v and the switching 12v we keep finding contradicting info on. Thanks for your time
i am an idiot 
Platinum - Posts: 13,555
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: July 11, 2021 at 4:12 PM / IP Logged Link to Post Post Reply Quote i am an idiot
There is not a switched wire in the radio wiring. It is data controlled. Constant is probably orange. The data wire is probably pink. Do not connect anything to that. Insulate it so it does not touch anything. Is there an air conditioner control near the radio? Are there 2 plugs on that? Does one of the plugs have 6 or so larger wires? If so, the brown wire will work for a switched power source. If both plugs have smaller wire, there will be a pink wire that you can use. Use a meter to verify.

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Disclaimer: *All information on this site ( ) is provided "as is" without any warranty of any kind, either expressed or implied, including but not limited to fitness for a particular use. Any user assumes the entire risk as to the accuracy and use of this information. Please verify all wire colors and diagrams before applying any information.

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