Pages 2–8 (7 pages)

Description, Circuit Diagnosis and Repair

From the 1989 Chevrolet/GMC R/V and P Truck Wiring Diagrams

How to use the diagrams: wire coding by circuit number, size in millimetres and color, tracing circuits from the battery positive post to ground, power and ground distribution references, numbered splices and grounds, basic electric circuits and circuit diagnosis, an abbreviation list, a wire size conversion table, and on-vehicle service of circuits, Weather-Pack and Metri-Pack connectors and wiring repair, with special tools.

Read this section free, starting at page 2

What this section covers

  • Wire coding and tracing circuits
  • Basic electric circuits
  • Circuit diagnosis
  • Abbreviations and wire size conversion
  • Weather-Pack and Metri-Pack connectors
  • Wiring repair
Year
1989
Make
GMC
Vehicle
Light Duty Trucks, P Forward Control, R/V Trucks, Trucks
Type
Wiring Diagrams
Models
R-V, P Truck
Publication
X-8940
Pages
143

What’s inside

Wiring diagrams

  1. Description, Circuit Diagnosis and Repairpp. 2–8
  2. ASection A: 1989 R/V Truckpp. 9–93
  3. BSection B: 1989 P Truckpp. 94–143

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