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Topic: A/C relay location (Read 445 times) previous topic - next topic

A/C relay location

I have a 89 GV with 3208 Cat. Looking for the location of the A/C relay. Also does it have a separate relay for the condenser fan and where it might be?

Re: A/C relay location

Reply #1 –
If you have a B-2126 Automotive Wiring schematic for your coach, you can find the (approximate) location there.

If not, do you know where the battery isolator is located?  Look around in that area for the two relays.
1993 U280 SE 40' WTBI, Build: 4359
C8.3 300hp, 6-Speed, Exhaust Brake
960 watts on the roof (6 x 160)
Sorento (or BOLT) on a Kar Kaddy SS
"Nature abhors a vacuum"

Re: A/C relay location

Reply #2 –
Probably behind the left will make some difference on condenser fan location. rear wheel mounted on the frame rail. Do you have a unihome or the Oshkosh chassis?  That
previous 1984 35 ft ORED 250 HP 3208 Cat       
previous 1998 40 ft U295 CAI 325 hp Cummins
previous 2003 40 Ft u320 build #6140 450 Cummins M11.                                                         
1999 Mazda Miata
Ron, Nancy, Tipper the cat, Max The dog
1997 U 270 36 ft build number 5174 8.3 Cummins

Re: A/C relay location

Reply #3 –
The clutch relay may be grounded through the low and high pressure switches.  My clutch hot wire runs  over the engine, and down to the compressor. I think the relay is near the cruise panel. 
 I removed all of this system  due to multiple failure points. 60 Ft of old hoses, compressor, fan switches.  I replaced the compressor with another Alternator.
  It's like a full time hobby keeping the thing working.  Now I run the gen set and overheads.
  I hope to  add a mini split  to take up the slack..
 

Re: A/C relay location

Reply #4 –
My AC Relay is by left rear tire and mounted on a plate just below isolator.  1992 U280.

jk
Jack and Cathy
1992 U280 Unihome 36' Build #4034
Cummins 8.3 /  Allison MT647/ PacBrake
Apopka, FL / Barre Center, NY