Radiator Cooling Fan Motor Relay: Testing and Inspection

The fan motor relays are located on the right front wheel house.

Fig. 12 Relay terminal identification. 1985-87 Conquest w/intercooler:

1. With relay disconnected, use suitable ohmmeter to check continuity between terminals 1 and 2. Continuity should not exist.

Fig. 11 Testing thermo sensor(s). 1985-88 Conquest w/intercooler:

2. Check continuity between terminals 3 and 4. Continuity should exist.

Fig. 12 Relay terminal identification. 1985-87 Conquest w/intercooler:

3. Using 12 volt battery, apply positive voltage to terminal 3 and negative to terminal 4, then check continuity between terminals 1 and 2. Continuity should exist.
4. If relay does not perform as outlined above, replace.