Town Car V8-302 5.0L (1987)
ATC System Electrical Wiring Diagram And Continuity Test
The engine temperature must be over 43° C (110° F). Unplug the electrical connector from the Thermal Blower Lockout (TBL) switch. Short across the
two terminals of the harness connector. If the blower comes on, replace the TBL switch. If the blower does not come on, there is an open between the
selector switch and the TBL switch. Refer to the wiring diagram.
Blower on at All Times In Floor Position