1987-1988 Chevrolet Truck & GMC 10-3500 and 1989-1990 Chevrolet & GMC C/K Wiring Diagrams on USB

Price: $36.00
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This USB contains the wiring diagram made by GM for dealer mechanics. You can follow the wiring in your truck from bumper-to-bumper. It will help you to understand connector configurations, and locate & identify circuits, relays, and grounds. Although the schematic is in black and white, the color of each wire is noted. You will not find this diagram in your shop manual. 

With the step-by-step illustrated instructions and specifications on this USB, you will have the information you need to get your project on the road and keep it there. Great if you have a hard copy that you want to keep clean.  Buy now to own the best wiring diagrams for your vehicle on USB. We have manuals on paper also -- see our other items. We have manuals on paper also -- see our other items.

1987-1988 Chevrolet Light Duty Truck and 1989-1990 Chevrolet C/K Wiring Diagrams on USB Pickup Blazer Suburban Van

This USB covers 1987-1988 Chevy and GMC trucks, including half ton, three-quarter ton, one ton, 10, 20, 30, C, K, R, V, G, P, pickup, Suburban, full-size K5 Blazer, stakebed, platform, crew cab, van, Sport Van, van chassis, hi-cube van, forward control chassis, and stepvan. Includes 2-wheel drive, 4-wheel drive, and dually models.  Covers both gasoline and diesel engines. Includes van-based well as forward control motorhomes chassis, classes A & C. Covers the part of the motorhome manufactured by Chevy and does not cover motorhome bodies.

This USB also covers 1989-1990 Chevrolet & GMC trucks C/K models.
1987 Chevrolet Blazer Custom Deluxe Sport Utility 2-Door
1987 Chevrolet R10 Custom Deluxe Standard Cab Pickup 2-Door
1987 Chevrolet R10 Scottsdale Standard Cab Pickup 2-Door
1987 Chevrolet R10 Silverado Standard Cab Pickup 2-Door
1987 Chevrolet R10 Suburban Custom Deluxe Sport Utility 4-Door
1987 Chevrolet R20 Custom Deluxe Cab & Chassis 2-Door
1987 Chevrolet R20 Custom Deluxe Crew Cab Pickup 4-Door
1987 Chevrolet R20 Custom Deluxe Standard Cab Pickup 2-Door
1987 Chevrolet R20 Scottsdale Cab & Chassis 2-Door
1987 Chevrolet R20 Scottsdale Standard Cab Pickup 2-Door
1987 Chevrolet R20 Silverado Cab & Chassis 2-Door
1987 Chevrolet R20 Silverado Standard Cab Pickup 2-Door
1987 Chevrolet R20 Suburban Custom Deluxe Sport Utility 4-Door
1987 Chevrolet R30 Custom Deluxe Cab & Chassis 2-Door
1987 Chevrolet R30 Custom Deluxe Cab & Chassis 4-Door
1987 Chevrolet R30 Custom Deluxe Crew Cab Pickup 4-Door
1987 Chevrolet R30 Custom Deluxe Standard Cab Pickup 2-Door
1987 Chevrolet V10 Custom Deluxe Standard Cab Pickup 2-Door
1987 Chevrolet V10 Scottsdale Standard Cab Pickup 2-Door
1987 Chevrolet V10 Silverado Standard Cab Pickup 2-Door
1987 Chevrolet V10 Suburban Custom Deluxe Sport Utility 4-Door
1987 Chevrolet V20 Custom Deluxe Standard Cab Pickup 2-Door
1987 Chevrolet V20 Scottsdale Standard Cab Pickup 2-Door
1987 Chevrolet V20 Silverado Standard Cab Pickup 2-Door
1987 Chevrolet V20 Suburban Custom Deluxe Sport Utility 4-Door
1987 Chevrolet V30 Custom Deluxe Cab & Chassis 2-Door
1987 Chevrolet V30 Custom Deluxe Cab & Chassis 4-Door
1987 Chevrolet V30 Custom Deluxe Crew Cab Pickup 4-Door
1987 Chevrolet V30 Custom Deluxe Standard Cab Pickup 2-Door
1987-1988 Chevrolet Blazer Silverado Sport Utility 2-Door
1987-1988 Chevrolet G10 Beauville Extended Passenger Van 3-Door
1987-1988 Chevrolet G10 Chevy Van Extended Cargo Van 3-Door
1987-1988 Chevrolet G10 Chevy Van Standard Cargo Van 3-Door
1987-1988 Chevrolet G10 Sportvan Extended Passenger Van 3-Door
1987-1988 Chevrolet G10 Sportvan Standard Passenger Van 3-Door
1987-1988 Chevrolet G20 Beauville Extended Passenger Van 3-Door
1987-1988 Chevrolet G20 Chevy Van Extended Cargo Van 3-Door
1987-1988 Chevrolet G20 Chevy Van Standard Cargo Van 3-Door
1987-1988 Chevrolet G20 Sportvan Extended Passenger Van 3-Door
1987-1988 Chevrolet G30 Beauville Extended Passenger Van 3-Door
1987-1988 Chevrolet G30 Beauville Standard Passenger Van 3-Door
1987-1988 Chevrolet G30 Chevy Van Cutaway Van 2-Door
1987-1988 Chevrolet G30 Chevy Van Extended Cargo Van 3-Door
1987-1988 Chevrolet G30 Chevy Van Standard Cargo Van 3-Door
1987-1988 Chevrolet G30 Hi-Cube Cutaway Van 2-Door
1987-1988 Chevrolet G30 Sportvan Extended Passenger Van 3-Door
1987-1988 Chevrolet G30 Sportvan Standard Passenger Van 3-Door
1987-1988 Chevrolet P20 Step-Van Standard Cargo Van 2-Door
1987-1988 Chevrolet P20 Stripped Chassis 0-Door
1987-1988 Chevrolet P30 Step-Van Standard Cargo Van 2-Door
1987-1988 Chevrolet P30 Stripped Chassis 0-Door
1987-1988 Chevrolet R10 Suburban Scottsdale Sport Utility 4-Door
1987-1988 Chevrolet R10 Suburban Silverado Sport Utility 4-Door
1987-1988 Chevrolet R20 Scottsdale Crew Cab Pickup 4-Door
1987-1988 Chevrolet R20 Silverado Crew Cab Pickup 4-Door
1987-1988 Chevrolet R20 Suburban Scottsdale Sport Utility 4-Door
1987-1988 Chevrolet R20 Suburban Silverado Sport Utility 4-Door
1987-1988 Chevrolet R30 Scottsdale Cab & Chassis 2-Door
1987-1988 Chevrolet R30 Scottsdale Cab & Chassis 4-Door
1987-1988 Chevrolet R30 Scottsdale Crew Cab Pickup 4-Door
1987-1988 Chevrolet R30 Scottsdale Standard Cab Pickup 2-Door
1987-1988 Chevrolet R30 Silverado Cab & Chassis 2-Door
1987-1988 Chevrolet R30 Silverado Cab & Chassis 4-Door
1987-1988 Chevrolet R30 Silverado Crew Cab Pickup 4-Door
1987-1988 Chevrolet R30 Silverado Standard Cab Pickup 2-Door
1987-1988 Chevrolet S10 Blazer High Country Sport Utility 2-Door
1987-1988 Chevrolet S10 Blazer Sport Sport Utility 2-Door
1987-1988 Chevrolet S10 Blazer Sport Utility 2-Door
1987-1988 Chevrolet S10 Blazer Tahoe Sport Utility 2-Door
1987-1988 Chevrolet S10 Cab & Chassis 2-Door
1987-1988 Chevrolet S10 Extended Cab Pickup 2-Door
1987-1988 Chevrolet S10 Sport Extended Cab Pickup 2-Door
1987-1988 Chevrolet S10 Sport Standard Cab Pickup 2-Door
1987-1988 Chevrolet S10 Standard Cab Pickup 2-Door
1987-1988 Chevrolet S10 Tahoe Extended Cab Pickup 2-Door
1987-1988 Chevrolet S10 Tahoe Standard Cab Pickup 2-Door
1987-1988 Chevrolet V10 Suburban Scottsdale Sport Utility 4-Door
1987-1988 Chevrolet V10 Suburban Silverado Sport Utility 4-Door
1987-1988 Chevrolet V20 Suburban Scottsdale Sport Utility 4-Door
1987-1988 Chevrolet V20 Suburban Silverado Sport Utility 4-Door
1987-1988 Chevrolet V30 Scottsdale Cab & Chassis 2-Door
1987-1988 Chevrolet V30 Scottsdale Cab & Chassis 4-Door
1987-1988 Chevrolet V30 Scottsdale Crew Cab Pickup 4-Door
1987-1988 Chevrolet V30 Scottsdale Standard Cab Pickup 2-Door
1987-1988 Chevrolet V30 Silverado Cab & Chassis 2-Door
1987-1988 Chevrolet V30 Silverado Cab & Chassis 4-Door
1987-1988 Chevrolet V30 Silverado Crew Cab Pickup 4-Door
1987-1988 Chevrolet V30 Silverado Standard Cab Pickup 2-Door
1988 Chevrolet Blazer Scottsdale Sport Utility 2-Door
1988 Chevrolet R20 Cheyenne Crew Cab Pickup 4-Door
1988 Chevrolet R30 Cheyenne Cab & Chassis 2-Door
1988 Chevrolet R30 Cheyenne Cab & Chassis 4-Door
1988 Chevrolet R30 Cheyenne Crew Cab Pickup 4-Door
1988 Chevrolet R30 Cheyenne Standard Cab Pickup 2-Door
1988 Chevrolet S10 Durango Extended Cab Pickup 2-Door
1988 Chevrolet S10 Durango Standard Cab Pickup 2-Door
1988 Chevrolet V30 Cheyenne Cab & Chassis 2-Door
1988 Chevrolet V30 Cheyenne Cab & Chassis 4-Door
1988 Chevrolet V30 Cheyenne Crew Cab Pickup 4-Door
1988 Chevrolet V30 Cheyenne Standard Cab Pickup 2-Door
1989-1990 Chevrolet C1500 Cheyenne Extended Cab Pickup 2-Door
1989-1990 Chevrolet C1500 Cheyenne Standard Cab Pickup 2-Door
1989-1990 Chevrolet C1500 Scottsdale Extended Cab Pickup 2-Door
1989-1990 Chevrolet C1500 Scottsdale Standard Cab Pickup 2-Door
1989-1990 Chevrolet C1500 Silverado Extended Cab Pickup 2-Door
1989-1990 Chevrolet C1500 Silverado Standard Cab Pickup 2-Door
1989-1990 Chevrolet C2500 Cheyenne Extended Cab Pickup 2-Door
1989-1990 Chevrolet C2500 Cheyenne Standard Cab Pickup 2-Door
1989-1990 Chevrolet C2500 Scottsdale Extended Cab Pickup 2-Door
1989-1990 Chevrolet C2500 Scottsdale Standard Cab Pickup 2-Door
1989-1990 Chevrolet C2500 Silverado Extended Cab Pickup 2-Door
1989-1990 Chevrolet C2500 Silverado Standard Cab Pickup 2-Door
1989-1990 Chevrolet C3500 Cheyenne Cab & Chassis 2-Door
1989-1990 Chevrolet C3500 Cheyenne Extended Cab Pickup 2-Door
1989-1990 Chevrolet C3500 Cheyenne Standard Cab Pickup 2-Door
1989-1990 Chevrolet C3500 Scottsdale Cab & Chassis 2-Door
1989-1990 Chevrolet C3500 Scottsdale Extended Cab Pickup 2-Door
1989-1990 Chevrolet C3500 Scottsdale Standard Cab Pickup 2-Door
1989-1990 Chevrolet C3500 Silverado Cab & Chassis 2-Door
1989-1990 Chevrolet C3500 Silverado Extended Cab Pickup 2-Door
1989-1990 Chevrolet C3500 Silverado Standard Cab Pickup 2-Door
1989-1990 Chevrolet K1500 Cheyenne Extended Cab Pickup 2-Door
1989-1990 Chevrolet K1500 Cheyenne Standard Cab Pickup 2-Door
1989-1990 Chevrolet K1500 Scottsdale Extended Cab Pickup 2-Door
1989-1990 Chevrolet K1500 Scottsdale Standard Cab Pickup 2-Door
1989-1990 Chevrolet K1500 Silverado Extended Cab Pickup 2-Door
1989-1990 Chevrolet K1500 Silverado Standard Cab Pickup 2-Door
1989-1990 Chevrolet K2500 Cheyenne Extended Cab Pickup 2-Door
1989-1990 Chevrolet K2500 Cheyenne Standard Cab Pickup 2-Door
1989-1990 Chevrolet K2500 Scottsdale Extended Cab Pickup 2-Door
1989-1990 Chevrolet K2500 Scottsdale Standard Cab Pickup 2-Door
1989-1990 Chevrolet K2500 Silverado Extended Cab Pickup 2-Door
1989-1990 Chevrolet K2500 Silverado Standard Cab Pickup 2-Door
1989-1990 Chevrolet K3500 Cheyenne Cab & Chassis 2-Door
1989-1990 Chevrolet K3500 Cheyenne Extended Cab Pickup 2-Door
1989-1990 Chevrolet K3500 Cheyenne Standard Cab Pickup 2-Door
1989-1990 Chevrolet K3500 Scottsdale Cab & Chassis 2-Door
1989-1990 Chevrolet K3500 Scottsdale Extended Cab Pickup 2-Door
1989-1990 Chevrolet K3500 Scottsdale Standard Cab Pickup 2-Door
1989-1990 Chevrolet K3500 Silverado Cab & Chassis 2-Door
1989-1990 Chevrolet K3500 Silverado Extended Cab Pickup 2-Door
1989-1990 Chevrolet K3500 Silverado Standard Cab Pickup 2-Door
1990 Chevrolet C1500 454 SS Standard Cab Pickup 2-Door
1990 Chevrolet C1500 WT Standard Cab Pickup 2-Door
1990 Chevrolet K1500 WT Standard Cab Pickup 2-Door
1987 GMC C1500
1987 GMC R1500 High Sierra Standard Cab Pickup 2-Door
1987 GMC R1500 Sierra Classic Standard Cab Pickup 2-Door
1987 GMC R1500 Standard Cab Pickup 2-Door
1987 GMC R1500 Suburban High Sierra Sport Utility 4-Door
1987 GMC R2500 Cab & Chassis 2-Door
1987 GMC R2500 High Sierra Cab & Chassis 2-Door
1987 GMC R2500 High Sierra Standard Cab Pickup 2-Door
1987 GMC R2500 Sierra Classic Cab & Chassis 2-Door
1987 GMC R2500 Sierra Classic Standard Cab Pickup 2-Door
1987 GMC R2500 Standard Cab Pickup 2-Door
1987 GMC R2500 Suburban High Sierra Sport Utility 4-Door
1987 GMC S15 EL Standard Cab Pickup 2-Door
1987 GMC S15 Jimmy High Country Sport Utility 2-Door
1987 GMC V1500 High Sierra Standard Cab Pickup 2-Door
1987 GMC V1500 Sierra Classic Standard Cab Pickup 2-Door
1987 GMC V1500 Standard Cab Pickup 2-Door
1987 GMC V1500 Suburban High Sierra Sport Utility 4-Door
1987 GMC V2500 High Sierra Standard Cab Pickup 2-Door
1987 GMC V2500 Sierra Classic Standard Cab Pickup 2-Door
1987 GMC V2500 Standard Cab Pickup 2-Door
1987 GMC V2500 Suburban High Sierra Sport Utility 4-Door
1987-1988 GMC G1500 Rally Extended Passenger Van 3-Door
1987-1988 GMC G1500 Rally Standard Passenger Van 3-Door
1987-1988 GMC G1500 Rally STX Extended Passenger Van 3-Door
1987-1988 GMC G1500 Vandura Extended Cargo Van 3-Door
1987-1988 GMC G1500 Vandura Standard Cargo Van 3-Door
1987-1988 GMC G2500 Rally Extended Passenger Van 3-Door
1987-1988 GMC G2500 Rally STX Extended Passenger Van 3-Door
1987-1988 GMC G2500 Vandura Extended Cargo Van 3-Door
1987-1988 GMC G2500 Vandura Standard Cargo Van 3-Door
1987-1988 GMC G3500 Magnavan Cutaway Van 2-Door
1987-1988 GMC G3500 Rally Camper Special Cutaway Van 2-Door
1987-1988 GMC G3500 Rally Extended Passenger Van 3-Door
1987-1988 GMC G3500 Rally Standard Passenger Van 3-Door
1987-1988 GMC G3500 Rally STX Extended Passenger Van 3-Door
1987-1988 GMC G3500 Rally STX Standard Passenger Van 3-Door
1987-1988 GMC G3500 Vandura Extended Cargo Van 3-Door
1987-1988 GMC G3500 Vandura Special Cutaway Van 2-Door
1987-1988 GMC G3500 Vandura Standard Cargo Van 3-Door
1987-1988 GMC Motorhome Chassis
1987-1988 GMC P2500 Stripped Chassis 0-Door
1987-1988 GMC P2500 Value Van Standard Cargo Van 2-Door
1987-1988 GMC P3500 Stripped Chassis 0-Door
1987-1988 GMC P3500 Value Van Standard Cargo Van 2-Door
1987-1988 GMC R1500 Suburban Sierra Classic Sport Utility 4-Door
1987-1988 GMC R1500 Suburban Sport Utility 4-Door
1987-1988 GMC R2500 Crew Cab Pickup 4-Door
1987-1988 GMC R2500 High Sierra Crew Cab Pickup 4-Door
1987-1988 GMC R2500 Sierra Classic Crew Cab Pickup 4-Door
1987-1988 GMC R2500 Suburban Sierra Classic Sport Utility 4-Door
1987-1988 GMC R2500 Suburban Sport Utility 4-Door
1987-1988 GMC R3500 Cab & Chassis 2-Door
1987-1988 GMC R3500 Cab & Chassis 4-Door
1987-1988 GMC R3500 Crew Cab Pickup 4-Door
1987-1988 GMC R3500 High Sierra Cab & Chassis 2-Door
1987-1988 GMC R3500 High Sierra Cab & Chassis 4-Door
1987-1988 GMC R3500 High Sierra Crew Cab Pickup 4-Door
1987-1988 GMC R3500 High Sierra Standard Cab Pickup 2-Door
1987-1988 GMC R3500 Sierra Classic Cab & Chassis 2-Door
1987-1988 GMC R3500 Sierra Classic Cab & Chassis 4-Door
1987-1988 GMC R3500 Sierra Classic Crew Cab Pickup 4-Door
1987-1988 GMC R3500 Sierra Classic Standard Cab Pickup 2-Door
1987-1988 GMC R3500 Standard Cab Pickup 2-Door
1987-1988 GMC S15 Cab & Chassis 2-Door
1987-1988 GMC S15 Extended Cab Pickup 2-Door
1987-1988 GMC S15 Gypsy Extended Cab Pickup 2-Door
1987-1988 GMC S15 Gypsy Standard Cab Pickup 2-Door
1987-1988 GMC S15 High Sierra Extended Cab Pickup 2-Door
1987-1988 GMC S15 High Sierra Standard Cab Pickup 2-Door
1987-1988 GMC S15 Jimmy Gypsy Sport Utility 2-Door
1987-1988 GMC S15 Jimmy Sierra Classic Sport Utility 2-Door
1987-1988 GMC S15 Jimmy Sport Utility 2-Door
1987-1988 GMC S15 Sierra Classic Extended Cab Pickup 2-Door
1987-1988 GMC S15 Sierra Classic Standard Cab Pickup 2-Door
1987-1988 GMC S15 Standard Cab Pickup 2-Door
1987-1988 GMC V1500 Suburban Sierra Classic Sport Utility 4-Door
1987-1988 GMC V1500 Suburban Sport Utility 4-Door
1987-1988 GMC V2500 Suburban Sierra Classic Sport Utility 4-Door
1987-1988 GMC V2500 Suburban Sport Utility 4-Door
1987-1988 GMC V3500 Cab & Chassis 2-Door
1987-1988 GMC V3500 Cab & Chassis 4-Door
1987-1988 GMC V3500 Crew Cab Pickup 4-Door
1987-1988 GMC V3500 High Sierra Cab & Chassis 2-Door
1987-1988 GMC V3500 High Sierra Cab & Chassis 4-Door
1987-1988 GMC V3500 High Sierra Crew Cab Pickup 4-Door
1987-1988 GMC V3500 High Sierra Standard Cab Pickup 2-Door
1987-1988 GMC V3500 Sierra Classic Cab & Chassis 2-Door
1987-1988 GMC V3500 Sierra Classic Cab & Chassis 4-Door
1987-1988 GMC V3500 Sierra Classic Crew Cab Pickup 4-Door
1987-1988 GMC V3500 Sierra Classic Standard Cab Pickup 2-Door
1987-1988 GMC V3500 Standard Cab Pickup 2-Door
1988 GMC S15 Jimmy Timberline Sport Utility 2-Door
1988-1990 GMC C1500 Sierra Extended Cab Pickup 2-Door
1988-1990 GMC C1500 Sierra SLE Extended Cab Pickup 2-Door
1988-1990 GMC C1500 Sierra SLE Standard Cab Pickup 2-Door
1988-1990 GMC C1500 Sierra SLX Extended Cab Pickup 2-Door
1988-1990 GMC C1500 Sierra SLX Standard Cab Pickup 2-Door
1988-1990 GMC C1500 Sierra Standard Cab Pickup 2-Door
1989-1990 GMC C2500 Sierra Extended Cab Pickup 2-Door
1989-1990 GMC C2500 Sierra SLE Extended Cab Pickup 2-Door
1989-1990 GMC C2500 Sierra SLE Standard Cab Pickup 2-Door
1989-1990 GMC C2500 Sierra SLX Extended Cab Pickup 2-Door
1989-1990 GMC C2500 Sierra SLX Standard Cab Pickup 2-Door
1989-1990 GMC C2500 Sierra Standard Cab Pickup 2-Door
1989-1990 GMC C3500 Sierra Cab & Chassis 2-Door
1989-1990 GMC C3500 Sierra Extended Cab Pickup 2-Door
1989-1990 GMC C3500 Sierra SLE Cab & Chassis 2-Door
1989-1990 GMC C3500 Sierra SLE Extended Cab Pickup 2-Door
1989-1990 GMC C3500 Sierra SLE Standard Cab Pickup 2-Door
1989-1990 GMC C3500 Sierra SLX Cab & Chassis 2-Door
1989-1990 GMC C3500 Sierra SLX Extended Cab Pickup 2-Door
1989-1990 GMC C3500 Sierra SLX Standard Cab Pickup 2-Door
1989-1990 GMC C3500 Sierra Standard Cab Pickup 2-Door
1989-1990 GMC K1500 Sierra Extended Cab Pickup 2-Door
1989-1990 GMC K1500 Sierra SLE Extended Cab Pickup 2-Door
1989-1990 GMC K1500 Sierra SLE Standard Cab Pickup 2-Door
1989-1990 GMC K1500 Sierra SLX Extended Cab Pickup 2-Door
1989-1990 GMC K1500 Sierra SLX Standard Cab Pickup 2-Door
1989-1990 GMC K1500 Sierra Standard Cab Pickup 2-Door
1989-1990 GMC K2500 Sierra Extended Cab Pickup 2-Door
1989-1990 GMC K2500 Sierra SLE Extended Cab Pickup 2-Door
1989-1990 GMC K2500 Sierra SLE Standard Cab Pickup 2-Door
1989-1990 GMC K2500 Sierra SLX Extended Cab Pickup 2-Door
1989-1990 GMC K2500 Sierra SLX Standard Cab Pickup 2-Door
1989-1990 GMC K2500 Sierra Standard Cab Pickup 2-Door
1989-1990 GMC K3500 Sierra Cab & Chassis 2-Door
1989-1990 GMC K3500 Sierra Extended Cab Pickup 2-Door
1989-1990 GMC K3500 Sierra SLE Cab & Chassis 2-Door
1989-1990 GMC K3500 Sierra SLE Extended Cab Pickup 2-Door
1989-1990 GMC K3500 Sierra SLE Standard Cab Pickup 2-Door
1989-1990 GMC K3500 Sierra SLX Cab & Chassis 2-Door
1989-1990 GMC K3500 Sierra SLX Extended Cab Pickup 2-Door
1989-1990 GMC K3500 Sierra SLX Standard Cab Pickup 2-Door
1989-1990 GMC K3500 Sierra Standard Cab Pickup 2-Door
1987 1988 1989 1990 Chevrolet Blazer C1500 C2500 C3500 G10 G20 G30 K1500 K2500 K3500 P20 P30 R10 Suburban R20 R30 S10 V10 V20 V30 GMC G1500 G2500 G3500 Motorhome Chassis P2500 P3500 R1500 R2500 R3500 S15 Jimmy V1500 V2500 V3500

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