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Old 11-28-2011, 11:47 AM   #8
motornut
78K & 79C Jimmys
 
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Join Date: Nov 2009
Location: Ottawa Ont CANADA
Posts: 7,901
Re: Dash Electrical Help - 1987 V30

reading some haynes pages
yellow might be clutch related....was it manual tranny?
or air cleaner temp switch/air diverter valve/air controller?
drk green ac clutch?and ECM
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1978 GMCJimmy4X4-350/203
1979 GMCJimmy4X2-305/350
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