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The AC compressor on my wife's '94 945t will not come on. I can disconnect the lead to the compressor clutch and jumper it to the battery positive terminal and the clutch engages, the compressor spins and very cold air blows into the cabin. I am not getting 12 volts from what I assume would be the climate control module.
It is of the type with three knobs: Fan, Airflow Direction, Temp, and has two buttons. One for recirculate, one for AC on / off.
With the dash lights on (parking or headlights on) the reciculate button lights when pushed. The AC button does not. I expect a broken switch or maybe a fuse somewhere but don't see any fuses in the box that are blown or associated with the AC compressor. There are two labelled for the blower and they're both good.
I did manage to pull the climate control module a few inches out of the dash but found it has a number of vacuum lines attached and as I didn't have the console sides or stereo removed access was limited. I found the levers behind the Recirculate and AC buttons which engage their respective switches, but can't confirm that the contacts aren't damaged or traces broken without pulling the console, etc.
Is there a fuse for the AC system somewhere other than in the fuse tray? Should I just replace the climate module with a salvage yard pull?
Please help. Temps will be in the high 80s this week and the wife is eyeing my 850 with it's cold AC.
Erwin
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