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 A/C condenser fan motor (B).





2. Test the motor by connecting battery power to terminal No. 2 and ground to terminal No. 1.
3. If either motor fails to run or does not run smoothly, replace it.