This Wells WVE Ignition Control Module Connector fits your 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 GMC C1500 C1500 Suburban C2500 C2500 Suburban C3500 Caballero G1500 2.5L 4.3L 5.0L 5.7L 7.4L L4 V6 V8 and is perfect for a tune up or performance upgrade. .