Quote:
Originally Posted by upallnight
The fan needs a pulse width modulated signal (skinny wire on the connector) to command the fan to turn on. You can turn on the fan through software such as BMW Scanner 1.4 or INPA. Since you measured the connector and have 12 volts, that means you already have power and ground (two thick wires).
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Did not think of it that way since I already have 12 volts at the connector. So I assume it's the fan motor or could there be an issue with not receiving the modulated pulse? Where is this generated from?