Coleman Mach 3 thermostat retrofit
Hi gang, I'm considering a retrofit for my Mach 3 from its existing manual controls to using an external thermostat, like a Ecobee or some such. Ideally I want two relays, one for fan, one for c...
Forum Discussion
Just did this to the Coleman Mach 8 Cub in my truck camper. Removed the internal module and replaced it with a 9330A755 module to wire to the external thermostat which controls heating and cooling. Lots of info on u tube. Google this. Ron
