Having problems with your 2008 GMC Sierra 1500 ?
I need speaker wiring diagram for a 2008 gmc sierra Please...
\015 Trying to hook up rear speakers on my truck...Found a bundle of wires along each floor side, Just need to know whick colors to cut into in order to hook in my new 6x9s.Thanks:)\015
Repair Help & Product Troubleshooting for 2008 GMC Sierra 1500
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