Re: Ford Windstar E-Fan Wiring Question
here's what I got from my mail order tuner, and it works fantastic.
"Your fan controls are programmed for 201 on, and 197 off for the blue 42,
and 204 on, 201 off for red 33 control. The PCM will supply GROUND to
activate the fan relay, and will only command the relay on when engine is
running and coolant temp reached. It is better sometime to verify temp the
computer is reading from the coolant temp sensor with a scan tool. Also, do
not share the coolant temp sensor with anything else, the PCM should be the
only thing hooked to it."
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