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Discussion Starter #1
Dose any one have a wiring diagram for the harnesses and plugs for a 2004 escalade with a navigation unit. I need the order and coloring of the wires into each plug. If any one could help it would be really apprciated.


Thanks :banghead:
 

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Do you have all the other parts for the system like the antenna and the wiring for that, or do you just have a head unit?

Try your GM dealer's parts department for the wiring diagram.
 

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Discussion Starter #3
I have the head unit and 6 disc changer, I have been to the dealer and we have come down to is there are 2-3 wires in my harness in a 2003 tahoe that are different then the escalade and have to be change. The problem is the unit can not acess the amps in the truck, and dealer is telling me there is a ground wire that is interfearing with the unit and not turning the amps on. Any help would be great.


Thanks John :banghead:
 

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So does the head unit you have now have navigation in it? Maybe an shop that installs car stereo stuff would be a better help than the dealer. They might be able to suggest a way to trace the amp wire.
 
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