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A/C relay 900 1993

posted by  halda on  Tue Jun 10 16:11 CST 2003
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last visit: Mon Jan 30 11:07 CST 2012
[RELATED]

I have a 93 940T which no longer receives power to the A/C compressor clutch. The clutch is good and my high pressure switch is also good. Haven't found the low pressure switch yet but I would really like to check out the relay. One posting indicated it might be behind the glove box but I can't figure out how to get behind it to check. Also, a wiring diagram I found at the library indicates the clutch wiring is also tied into the fuel injecion ECU and something called an ECC power unit. I haven't found these either and am wondering if they can be my problem. Last question - will I run into problems if I just bypass everything and engage the compressor clutch through another switch?






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