Jason,

Your van should be equipped with a pressure switch in the high pressure (discharge) freon line.  One side of the switch should be connected to the A/C relay (or switch - can't remember with the '87) and the other side connected to the compressor clutch.  As for evaporator fans - they don't have clutches, so I'm not sure what your meaning there.

Keith Hughes
'86 Westy ex-Tiico (Marvin)

 ------------------------------
 
 Date:    Mon, 11 Jan 2016 10:21:20 -0600
 From:    Jason Ellis <jason.ellis@ME.COM>
 Subject: AC help (1987 Westy)
 
 Apologies in advance if I do something wrong.  This is
 my first post to the l=
 ist.
 
 When I bought my van, several electrical items were not
 plugged into the cor=
 rect connector.  I've finally got all of the
 connections correct, except the=
  AC.  I need a bit of assistance here.
 
 My compressor is a single wire type clutch.  Which wire
 does this plug into?=
   I don't see anything that looks like the correct
 connector.  I've even tri=
 ed tracing wires back to the fuse panel in the closet. 
 I can't seem to find=
  any photos either.
 
 I'm fearing that someone took removed the wire for the
 clutch.  Last challen=
 ge is to get one of the evaporator fans to stop blowing its
 clutch.
 
 Cheers,
 Jason Ellis=