Quote:
Originally Posted by herc795
Thanks, I will get the Marc's chip. Another thing is that the primary relay sounds like a rattle snake when the fan is operating. The primary fan works intermittently. Seems like might be a wiring issue.
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Swap the two fan relays - does the noise follow the relay? If yes, replace the relay. If no, the problem is upstream of the relay - might be wiring, but a look at the wiring diagram in the FSM is your next step.