Radiator Cooling Fan Motor Relay: Testing and Inspection

Fig. 9 Radiator fan relay.:

1. Check for continuity between terminals 1 and 2, Fig. 9. Continuity should exist.
2. Check for continuity between terminals 1 and 3. Continuity should not exist.
3. Apply battery voltage between terminals 4 and 5.
4. Check for continuity between terminals 1 and 2. Continuity should not exist.
5. Check for continuity between terminals 1 and 3. Continuity should exist.