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Hi Tony
I replaced a kenlowe one for reliability and better fitting. Not sure that plan worked.
Either fan should still work with the Revotec kit
Do you still have the Kenlow override switch wired in anywhere please ?
There are two red and two blue in to the relay.
This looks fine.
Ignition on I have 12v to 3 wires, not the larger blue one to the fan.
There should be 2 wires to the relay each with +12V on and a link wire between 2 terminals.
At this stage no voltage to the large blue wire is O.K.
Ohms test was 1 if I connected the blue to the large power red but using the smaller red to blue/fan I got 80 ohms.
Do I understand that you measure 1 ohm if you measure between the thick blue wire and the red wire to the fan ?
If so that is roughly correct and is the d.c. resistance of the fan motor.
The 80 ohms resistance looks about right for the relay coil but should be between the small diameter red wire and the thin blue wire. The thin blue wire should only go from the electronic unit to the relay. It should not go to the fan as well.
Not done the controller check yet.
Thanks
Cheers for now,
Tony.