Question about 2003 Mercury Grand Marquis
If your fan went out, check the Resistor for the Blower motor. Just trace back the wires from the fan to a connection on the Firewall. This part will have 2 small bolts and 1 wire connector. Tap that part and see if it will start working.
If you get a Replacement part you can hook it up to the connector before removing the old part. It should work instantly if that is your problem. To remove the old part, you will need to deal with the heater hoses that are in the way.
I had to unhook 1 at the rear of the engine. I worked on a cold engine and I did not lose much Antifreeze by disconnecting the hose. My car was a 2002 Grand Marquis. Guess leaving the Radiator cap on keep the water from pouring out the engine.
Posted on Oct 08, 2010
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Posted on Jan 02, 2017
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