1986 GMC P3500 Blue; w/ Connector; High Pressure Compressor Mounted;. Part Type: A/C Compressor Cut-Off Switch. Compressor Mounted High Cut-Out Pressure Switch. Compatible Years: 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995.
