Heater Control Module
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Heater Control Module
2004 Ram 2500 Cummins
I replaced the heater control module due to erratic defrost operation. Now I find out that I need to re-calibrate the module. I can find instructions for this on older and newer year models but not for my 3rd gen. Please help. It seems like it is calibrating because at first it cycled through all the zones but the Mirror Defroster light still blinks.
I replaced the heater control module due to erratic defrost operation. Now I find out that I need to re-calibrate the module. I can find instructions for this on older and newer year models but not for my 3rd gen. Please help. It seems like it is calibrating because at first it cycled through all the zones but the Mirror Defroster light still blinks.
