1989 GMC Truck S/T Models Wiring Diagrams

S-15 Pickup & S-15 Jimmy | S15 Pickup Base, S15 Sierra Classic & S15 High Sierra / Jimmy Base, Jimmy Sierra Classic, Jimmy Gypsy & Jimmy Timberline | 2.5L I4, 2.8L V6 & 4.3L V6 Engines

Published by the General Motors Corporation

Electrical Diagnosis & Power Distribution * Harness Routing Views * Circuit Operation * Circuit Diagrams * Connectors * Component Locator Views * Wiring Diagrams

This factory manual is written by GM specifically for the vehicle(s) listed. This ensures you get the job done right the first time. It is very detailed with good diagrams and exploded views. A must for anyone who insists on Genuine OEM quality parts.
Large format 11" x 17". Approx. 175 pages.

Condition

Good usable condition. Covers show some soiling. All pages are in place and straight. Page surfaces are mostly clean.

Topics Include

• Harness Routing Views
• Basic Electricity
• Electrical Diagnosis
• Circuit Diagrams
• Circuit Wiring
• Connector Diagnosis Procedures
• Connectors
• Component Locater Views
• Component Locater Index