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AC wiring diagrams available? 900

posted by  chris herbst on  Wed Mar 12 02:22 CST 2003
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last visit: Mon Oct 20 20:32 CST 2014
[RELATED]

I'm guessing that you checked the Volvo tech publication site. I'd be surprised if they didn't have a suitable manual.

It almost sounds as if like you said, there is a relay issue. Or perhaps someone previously did some creative wiring so that the A/C would work.

You should disconnect the wiring harness at the accumulator and see if the compressor still comes on. If it does, the problem is outside of the normal a/c circuit, and might be a result of someone doing some work to make the system operational. In other words, a hack job.
--
chris herbst, near chicago






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