Radiator Cooling Fan Motor Relay: Testing and Inspection

Fig. 5, Cooling Fan Relay Terminal ID:

1. Remove relay from electrical connector. Check continuity with an ohmmeter.
2. Continuity should exist between terminals B and D, Fig. 5. Continuity should not exist between terminals A and C.
3. Apply battery voltage between terminals B and D. Continuity should now exist between terminals A and C. If not, replace relay.