I will try that approach tomorrow, thank you. I have the ATC system.

Hey all. I have a 2007 Chevy Trailblazer LT, 4.2L I6. My blower motor runs continuously, even without key in ignition. What possible issues could be at play? The only blower motor resistor that I could find that would attached correctly was part number 4P1516 (this one has the female attachment that...