Diesel Data: Automotive Repair

Radiator Cooling Fan Motor: Testing and Inspection

Fan Motor Test





1. Disconnect the 2P connectors from the radiator fan motor (A) and condenser fan motor (B).
2. Test the motor by connecting battery power to the No. 2 terminal and ground to the No. 1 terminal.
3. If either motor fails to run or does not run smoothly, replace it.