This truck has no power to the a/c clutch. Works fine if clutch is powered up. Found wires on dryer thermister damaged. One chewed in half and the other missing insulation, could have shorted together.
Have read posts on here about these but cannot find them. Any help appreciated.
05-8600 A/C clutch power
Discussion in 'International Forum' started by BoxCarKidd, Jun 24, 2017.
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That system is basically all controlled by the body controller. Once it sees something it's not happy with, it won't allow a/c operation. Power for the a/c clutch is a direct output from the body controller. It needs to see proper pressure from the pressure transducer and then proper temps from those thermistors. Really hard to troubleshoot without knowing what the body controller is seeing. Here is a diagram for your thermistors so you can at least make sure you have circuit continuity.
BoxCarKidd Thanks this. -
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