You might need a new thermostat or heater core.
600.00 to 900.00
It's a big job! Get a manual on your car to do it right.
How to replace heater core in a 97 Lincoln Town Car
how do u re-place a heater core for a 1984 Lincoln town car
heater coil on a linclon town car 2002
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4120
I suggest replacing the thermostat, that might work.
For a 1989 Lincoln Town Car : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
The photo sensor for the auto lamp and auto dim on the 1989 Lincoln Town Car is located below the rearview mirror. The photo sensor for the auto lamp and auto dim on the 1989 Lincoln Town Car is located below the rearview mirror.
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The horn on a 1989 Lincoln Town Car is in the center of the steering wheel. The horn relay is behind the ignition panel on the left hand side.