Volvo RWD 700 Forum

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AC Aux Fan 700

Need help with this fan. It does not seem to ever come on. I have tested the fan and the relay both work. Used a test light on the coil wire of the relay and the fan comes on so I need to know where the relay gets it's voltage from. This is for a 1990 740 gle. There is a sensor in the top passenger's side of the radiator. tried jumping it to no avail. If this is the correct sensor what should it's value range be? I can then simulate to test.

Thanks in advance.







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