Hello,
There are 2 fuses which supply 12V to the fan motor.
See wiring diagram in image 1.
Fuse 8(10A) is located in the main engine fuse box, fuse panel B in wiring diagram.
See image 2.
Fuse 3(50/80A) is located in the back up fuse box, fuse panel A in the wiring diagram.
See image 3+4.
The back up fuse panel is located in front of the main fuse box on the left side of the engine compartment.
At the radiator fan connector, see image 5.
Pin 1, black wire constant 12V supply from fuse 3.
Pin 2, white/red wire ignition 12V from fuse 8.
Pin 3, yellow/violet wire control from ECM pin 28 connector T94.
Pin 4, brown wire ground.
Fuses, 12V supply, ground and wiring can be checked using a voltmeter.
How to use voltmeter:
https://www.2carpros.com/articles/how-to-use-a-voltmeter
How to check wires:
https://www.2carpros.com/articles/how-to-check-wiring
How to check fuses:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Cheers, Boris
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Thursday, September 7th, 2023 AT 2:40 AM