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thanks but this is with all aircon and fans off.

does this indicate that something is broken?

Yeah possibly.

Try swapping the relay out with another known working one to see if maybe the A/C Fan relay is stuck on. Check the trigger for the relay and see if it is throwing a signal to turn on the relay. The fan will only turn on when the A/C is on or the fan thinks the A/C is on.

Obviously the fan can't think...it's just a figure of speech

Yeah possibly.

Try swapping the relay out with another known working one to see if maybe the A/C Fan relay is stuck on. Check the trigger for the relay and see if it is throwing a signal to turn on the relay. The fan will only turn on when the A/C is on or the fan thinks the A/C is on.

Obviously the fan can't think...it's just a figure of speech

the a/c fan works on the a/c pressure not when you hit the a/c button

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