Just put the switch inline with the single power wire that turns the clutch on the compressor on and off... Then, you can turn it on or off no matter what mode the system is in...


1995 Trooper LS auto 3.2 DOHC /w SOHC intake
1989 Trooper 2.6 auto
1989 I-Mark RS DOHC 1.6
1991 Stylus XS DOHC 1.8