Question about 2004 GMC Envoy
I replaced my radio in my 2004 gmc envoy with an after market radio installed fine but could'nt find the ignition wire for the radio so it would turn on and off with the key i used a tester but could'nt find it in the factory plug
With that year vehicle it is recommended that you use a special harness because it has an factory amp and in order to get the proper wiring it requires the harness also if you don't use the harness you will loose your onstar and vehicle chimes and warning sounds.
Posted on Oct 08, 2008
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Posted on Jan 02, 2017
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