For Sale - 2006 Dodge Ram 2500- Flatbed for long box bed Winch bumper Flat Bed for Long Box 3rd generation Cummins Tootlbox are included with key I have a flatbed for 3rd Generation dodge Cummins. This flatbed comes with a gooseneck hitch already in the bed. The winch bumper is part of the set. Tootlbox have a key to lock and unlock all box a single key. There is rust starting and electrical will have to be sorted out on your own.
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Price: $1,000.00
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Location: New Meadows, Idaho
I'm following the ac wiring diagram on this website:
Key in the on position.
With the ac selector switch in the "face only" position and the blend door on all the way blue I have power at the LTGRN/WT wire at the PCM. This indicates to the PCM I want AC and there is not high pressure condition.
When I tested the brown wire beside the LTGRN/WT there was no power coming from the low pressure switch, meaning again that there is no reason the compressor shouldnt start.
I tested the DRKBL/ORG wire that is leaving the PCM. When I'm first putting the probe on the wire it flashes green but then goes away when I make solid contact on the wire.
Does this lack of power leaving the PCM mean that internally the PCM is damaged or does it mean that there's a ground in the wire?
Currently I have the ac relay removed and a switch rigged to tell the compressor when to turn on and off manually. This works but is annoying and want it fixed correctly. If the PCM is the problem then I'll probably just make a switch directly from the LTGRN/WHT to the DRKBLUE/ORG and set to ground the wire when the low pressure switch is activated.
Edited by Ng321
Added info