1978 GMC Models 40/45 thru 90/95 Truck - Wiring Diagrams

Clean copy of Soft Cover Service Manual with minor shelf wear.

This manual contains Wiring Diagrams for Models 40/45 thru 90/95.

Contents:

• Bare Chassis: PS-40, 45
• School Bus: SE-60
• Medium Duty - Conventional Cab: CE-50, 65, CS-50, 60, ME-60, CD-60
• Steel Tilt: TE-60, 65
• Heavy Duty - Conventional Cab: HE, JE-75, 80, HY, JY-70, 75, HV, JV-70, 75, HC, JC-90, 95, HH, JH-90, 95, HI, JI-90, 95, HJ, JJ-90, 95
• Aluminum Tilt Cab: FC, DC-9003, 9502, FJ, DJ, FH, DH, FI, DI-9003, 9502, DL-9003, 9502, DR-9003, 9502, DK-9003, 9502
• Aluminum Conventional Cab: MH, NH, NI, NJ-9502, 9005, MC, NC-9502, 9005, MK-9502, 9005