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Old 12-20-2005, 06:23 PM
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Diesel Giant Diesel Giant is offline
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Join Date: Oct 2004
Location: Loganville/Atlanta
Posts: 2,156
A/C compressor wont shut off on 1985 300d

Ok yet another A/C issue. On an 85 300d I installed a new compresor, expansion valve, drier etc. As with the other compressor, the A/C compressor gets power all the time the key is on or in the run position. Removed Klima relay still powered, disconnect the high and low pressure switch, still power to the compressor. Turn off the climate control in dash, still power to the comp.

Unless I disconnect the power at the clutch, the compressor runs ALL the time, not good.

Anybody had this issue?
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