Question about 1992 Toyota Corolla

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1992 corolla radiator fan won't come on

The car does not overheat but the fan will not come on. I replaced the relay and still nothing. How can I check to see if the fan is good.

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This is the only way to tell if the fan motor is good:
Locate the wiring connector that comes out of the cooling fan. Examine the wires going to the fan motor connector from the engine room harness. Look for the Black with a Red tracer wire going to the fan motor connector FROM the engine harness, before the fan connector. This is the "power in" wire...Remove some of the insulation on the Black/Red tracer wire to expose the copper. Using a suitable length piece of wire, connect one end to the Positive battery post. Being real careful, connect the other end of thie wire to the now exposed copper on the Black/Red trace wire. EXPECT to see a spark. If the fan runs, the fan is good. If the wire starts to smoke, or gets real hot, the fan is locked up, and no good. Please reply if you need further diagnosis info.

Posted on Oct 16, 2008


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