07-19-2011, 02:40 PM
Jeff3440Looking for a Wiring diagram
I'm in search of a AC wiring diagram for a 1991 Chevy chassis, Cobra motorhome. Specifically looking to see where the 2 wires that come off the pressure switch are controlling. Any help would be greatly appreciated.
07-19-2011, 06:50 PM
RustyWelcome to the forums!
One wire to the pressure switch is from the dash, hot when A/C or Defrost is selcted. The other wire goes to the A/C compressor clutch. On your '91, the switch is a combo hi-low, disengaging the compressor if pressure exceeds either limit.
I assume you have a Class C; manuals for the '90 or '91 Chevy van will have most of the diagrams you need. I prefer the Haynes.
Alldata offers online manuals.
Rusty
"StaRV II"'94 28' Breakaway: MilSpec AMG 6.5L TD 230HP
Nelson and Chester, not-spoiled Golden Retrievers
Sometimes I think we're alone in the universe, and sometimes I think we're not.
In either case the idea is quite staggering. - Arthur C. Clarke
It was a woman who drove me to drink, and I've been searching thirty years to find her and thank her - W. C. Fields
07-19-2011, 07:26 PM
Jeff3440Thanks for the info Rusty - - My Cobra is a Class A, 28 ft., on a P-30 (?) chassis. I will check the wiring tomorrow.