Been trying to trpuble shoot the ac last few days. Nothing apprear to be worng... compressor good. Fuses...good... trst shoes refridgersnt is high in theee... what gives?? It was working 2 weeks ago… 

I believe I had a short that blew the fuse. Where is the fuse for the back up lights?

Fuel economy is terrible. This is a thirsty truck. Not such a problem but then Mr Cheeto man decided to piss the world off and now diesel costs an arm and a leg and the blood of a virgin under a full… 

Turns over but wont start

I can't find information on relay box.