Blower on at All Times In Floor Position

ATC System Electrical Wiring Diagram And Continuity Test:

If the blower is on with the engine coolant under 43° C (110 0° F), disconnect the harness connector from the thermal blower lockout switch. If the blower turns off, replace the thermal blower lockout switch. If the blower continues to run, there is a short in the circuit between the selector switch and the thermal blower lockout switch Refer to the electrical diagram.