2008 GMC Envoy | Stereo Wiring Diagram 2008 GMC Envoy. April 13th, 2014 Posted in GMC Envoy. 2008 GMC Envoy Stereo Wiring Information. Radio Battery Constant 12v+ Wire: Orange The stereo wiring diagram listed above is provided “as is” without any kind of warranty. Use of the information above is at your own risk. Leave a 2008 GMC Envoy Car Radio Wiring Diagram - ModifiedLife Whether your an expert GMC Envoy mobile electronics installer, GMC Envoy fanatic, or a novice GMC Envoy enthusiast with a 2008 GMC Envoy, a car stereo wiring diagram can save yourself a lot of time. Automotive wiring in a 2008 GMC Envoy vehicles are becoming increasing more difficult to identify due to the installation of Read More Read More Looking for a stereo wiring diagram for a 2008 gmc denali looking for a stereo wiring diagram for a 2008 gmc denali pickup with the bose stereo/nav/dvd/back up camera. the back up camera wires (i beleive) have pulled out of the deutsch plug in the back of the stereo, as the dealer installed this, not the factory. I don't know where to plug them back in. You are currently viewing GMC - Gmc | Stereo Wiring Diagram Stereo Wiring Diagram. Request Stereo Diagrams; Stereo Wiring Diagrams | Subcribe via RSS. You are currently viewing GMC Please select your model; GMC Acadia; GMC Canyon; GMC Envoy; GMC Jimmy; GMC Jimmy Full Size; GMC S15 Pickup Truck; GMC Safari; GMC Gmc Truck 2008 Wiring Diagram Schematic - ALLDATAdiy Wiring Diagram Schematics for your 2008 GMC Truck Get the most accurate Wiring Diagram Schematics in our Online Service Repair Manual If you need detailed wiring diagram schematics for your 2008 GMC Truck , look no further.