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Old 08-18-2015, 10:48 AM   #4
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?

1 and 2.. gas gauge sender wire,some are jumper factory wired (7)small to (18)big gas gauge.
3.key in or Belt buzzer,i removed it all
4.did it have an alarm before? horn beep/light flash ?
6.yellow is radio,should have grey and black for it too
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John
1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350
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