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2007 Ram 3500 A/C compressor wont engage, need wiring diagram

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Old 03-18-2012, 07:35 AM
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2007 Ram 3500 A/C compressor wont engage, need wiring diagram

Week ago headed out to store, turned on A/C, light on dash turns on, blower fan runs, but compressor wont engage. Checked fuse, its OK. Put gauges on it, had over 50 psig on it if I remember correctly. Ordered Haynes manuel to check wiring diagram, received it yesterday, nothing for a 2007, sucks. Need some help , south Texas in the 80's & humidity high.
Old 03-18-2012, 08:49 PM
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Try putting one (1) can of 134A in, It sounds like low charge.
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