1989 GMC Light Duty Truck S/T Model Electrical Diagrams & Diagnosis

Clean copy of Softcover Spiral-bound Manual with minor shelf wear.

This manual provides information for the 1989 GMC Light Duty Truck S/T Models.

Contents:

• General Information
• Circuits & Circuit Components
• Electrical Diagnosis
• Connectors
• Symptom Index
• Component Locator Views
• HVAC Electrical
• Gages
• Ignition
• Power Distribution
• Index