Radiator Cooling Fan Motor Relay: Testing and Inspection
Fig. 45 Testing Relay Terminal:
The relay box is located on the right front wheel house.
1. Remove relay from from relay box, Connect battery power source to terminal No. 2. Using a suitable ohmmeter, check continuity between terminals with terminal No. 4 grounded. Continuity should exist between terminals No. 1 and No. 3.
2. Disconnect power source. Continuity should exist between terminals 2 and 4. There should be no continuity between terminals 1 and 3.
3. If relay performance is not satisfactory, replace as necessary.