CuttySup Posted December 3, 2004 Report Posted December 3, 2004 I installed manual cooling fan switches on my car. Now, my Check Engine Light comes on every once in a while and it is showing a trouble cade for "Fan 1 Relay Control Module." Any ideas? Quote
Regal_GS_1989 Posted December 3, 2004 Report Posted December 3, 2004 Did you pull out the relay, or just wire around it?? Quote
GnatGoSplat Posted December 3, 2004 Report Posted December 3, 2004 You're going to need to put a diode or something like that somewhere. The newer PCMs can detect a relay driver shorted to ground. I remember seeing more details on clubgp.com. Quote
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