What controls the heat

Asked by Sep 25, 2013 at 05:47 PM about the 2000 Dodge Ram 1500 4 Dr SLT 4WD Extended Cab SB

Question type: Maintenance & Repair

I try and set the temperature and it is either full hot on or nothing no medium point

3 Answers

92,705

Could be a servo motor sticking for the temp control.

1,245

Or a resistor board. There' s a different resistance for each blower speed. When this board gives out, only certain speeds may work.

6,705

Definitely sounds like a resistor! Located next to the blower motor in the HVAC housing on the passenger side under the dash. Autozone part # CR153... $60.00..... may actual be cheaper going with OEM, call your local Dodge dealer.

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