Question about 2003 Lincoln Town Car
Yes, the blower motor resistor is a part which frequently goes out. What you need to do is follow the wires from your heater blower until they come to a connection on the Firewall or on the ductwork under the hood. This connection will have 2 screws and if you tap the connection, sometimes the part will start working again.
The part itself is about the size of a pack of cigarettes with about 90% hidden in the ductwork or Firewall. Depending on how close the rear heater hose from your motor is to this part, you may have to disconnect a water line. The good part is you can test the new part by simply placing the connector on the new part before removing the old part.
There is also a test which can be performed on Digital Climate controls which will diagnose problems in the system. For this test there is a separate Code list and a trigger procedure for the self-diagnosis. A technician can retrieve the info in less than 4 minutes without tools. Each unit may have a different trigger procedure depending on the suppliers' chip.
With the items you have replaced you may need both the motor and the resistor because many times the resistor does not ruin a relay and a fuse. This is why I brought up the self-diagnostics.
I hope I have been helpful in solving your problem.
Posted on Dec 31, 2010
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Posted on Jan 02, 2017
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