You are looking in the wrong direction. The control module is actually linked with the thermostat. On our rig, we have the Dometic CCC2 thermostat, and the module, actually called an Electronic Control Box, is the device that interprets the signal from the thermostat into a specific action at the A/C unit. About four years ago, our front A/C died, and upon checking, found a load of corrosion on the circuit board in the box. I purchased a new box, replaced the failed one, and that A/C has worked fine ever since. What thermostat do you have?
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Bob & Becky
2012 3402 Montana
2012 Chevy 2500HD D/A CC
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