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Old 06-15-2007, 09:22 AM
dghii dghii is offline
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Join Date: Nov 2005
Posts: 258
I'm messing with my AC stuff right now and I have to disagree with John. Papajams diagram shows the two relays and their interaction. Relay one, the Aux fan relay turns on with the compressor and runs while the compressor (and ignition) are on. Relay two, the cool down relay, will continue to operate the aux fan until the tem sensor removes power to the relay coil and opens the circuit to the fan.

You either have a bad temperature sensor or the cool down relay is sticking. The cool down relay is the one closest to the front of the car.
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