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-   -   a/c and overdrive issues (http://www.ramforumz.com/showthread.php?t=127265)

jwmiller61 12-01-2012 06:33 PM

a/c and overdrive issues
 
1995 2500 4x4 diesel. Sometimes when I crank up the truck, the a/c compressor won't engage and the truck will not go into overdrive at the same time. Other times I crank and drive the truck, both the a/c and the overdrive work like they should. What controls both the a/c and the overdrive?

RamTech 12-01-2012 08:14 PM

My first guess is a faulty ignition switch and/or connector, specifically on the A21 circuit which provides switched ignition power to both components.


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