01-18-2017, 03:44 PM
Its been a while but I remember my 1993 had an additional micro-switch added to the Chrysler hvac control. It activated when the heat lever called for heat. I believe it turned the coolant pump on back at the engine.
1993 Newell (316) 45' 8V92,towing an Imperial open trailer or RnR custom built enclosed trailer. FMCA#232958 '67 Airstream Overlander 27' '67GTO,'76TransAm,'52Chevy panel, 2000 Corvette "Lingenfelter"modified, '23 Grand Cherokee.