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ACC Motor not getting 12VDC
2000 C280 with automatic climate control will not activate the fan.
I took the fan out put a 9V battery on it, it works, both from the wires directly attached to it and through the regulator.
I tested the 3 prong going into it with the car running. Across one of them I got the variable voltage from the ACC depending on fan speed.
One had nothing. I am supecting it needs 12VDC on one of them?
Any experience with this guys?
Thanks,
Mark
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