1987 Chevrolet / GMC Medium Duty Truck Wiring Diagram Booklet

This shop manual includes all of the Chevrolet/GMC Models as follows:

• Forward Control Chassis
  • P4T w / In-Line 6 Gasoline Engine
  • P6T w / Gasoline Engine, Diesel Engine
  • P6T - Motor home
• Medium Duty Conventional Cab Models
  • C5, C6, C7 w / Gasoline Engine
  • C6, C7 w / Diesel Engine
• Bus Chassis Model
  • B6P042 w / Gasoline Engine, Diesel Engine
  • ST7042 w / Gasoline Engine

Included Subjects:

• Description:
  • Tracing Circuits on the New Diagrams
  • Basic Electric Circuits
• Diagnostic Tools
  • Wire Size Conversion Table
• On-Vehicle Service
  • Circuit Maintenance & Repair
  • Weather pack Connectors
  • Metri-Pack Connectors
  • Wiring Repair
• Special Tools

Text, usually accompanied by diagrams or illustrations, explains how to diagnose, disassemble, repair and reassemble the various components and frequently gives troubleshooting information.