air conditioner

I searched everywhere and couldn’t find where the electronic thermostat lives in my UW56! Today I started tearing things apart, and noticed a clear window at the bottom of the heater/blower plenum. When you power up your Toolcat and turn on the AC, you can see fault code pulses from a red led...

I have a 2565 that I purchased in 2018. The ac has stopped blowing cold and it is absolutely miserable in the cab in this heat. I went to add some freon to it, but my gauge won't fit the ports. There are no threads on the outside of the fittings, just a radiused groove. From what I have been...