[jcp123]

Originally Posted by nemo

Given that the circuit hat a 30 amp fuse rather than the 20 it was designed for would seem to indicate a previous problem. See if you can obtain a schematic diagram of the circuit.

Might try disconnecting the fan and clutch separately to see which blows the 20 amp fuse and or removing the relay separately.

Yeah the 30a fuse being in there from purchase definitely gave me reason to believe something was already going on. Isolating the loads is a great idea. I’m a bit embarrassed I didn’t think of that one.