A bad alternator will cause a battery to go bad. It does not have an effect on the air conditioner.
1. A bad compressor. 2. A bad condenser fan. 3. Heat. 4. Old age...........
The air conditioner or heater continually runs.
Using a Diesel fuel conditioner would be good for your engine and would not be bad at all.
Conditioner is good or is it bad it is good
could be a bad bearing on the air conditioner clutch assembly.
Your inside blower motor is most likely bad and if not then check the capacitors and the wiring, but I would go with the blower.....
You have a bad rear expansion valve located in the rear......
Low refrigerant? Bad fuse? Bad switch?
The compressor could be bad.
Manufacturer discontinued as of sometime in 2011. Too bad, was a good product.
Blown fuse? Bad relay? Bad switch? Bad fan motor?