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Old 08-20-2015, 09:46 AM   #8
motornut
78K & 79C Jimmys
 
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Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
Re: Can you identify these wires/circuits?

here is stock speaker plugs into an adapter,and radio
you can see the power yellow in the black plug,but there is another speaker yellow
later with memory and headlight dimming ,they have the orange/brown wired plug
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1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350
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