General Motors Corporation
1989 GMC Truck R/V, G, P Models Electrical Wiring Diagrams
1500, 2500, & 3500, R & V Pick-ups, Suburban, Full Size Jimmy, Value Van, Step Van, P20, P2500, P3, P30, & P3500, Class A Motorhome Chassis | 4.3L V6 Gas, 4.8L V6 Gas, 5.7L V8 Gas, 7...
X8940BG