Chevrolet R-V 1989 User Manual

1989
WIRING DIAGRAMS
R-V, P TRUCK
MODELS
When reference is made in this manual to a brand name, number, or specific tool, an equivalent product may
be used in place of the recommended item
All information, illustrations, and specifications contained in this manual are based on the latest product
information available at the time of publication approval. The right is reserved to make changes at any time
without notice.
No part of this publication may be reproduced, stored in any retrieval system or transmitted, in any form or by
any means, including but not limited to electronic, mechanical, photocopying, recording or otherwise, without the
prior written permission of the GMC Truck Division of General Motors Corp. This includes all text, illustrations,
tables and charts.
X-8940
©1988 General Motors Corporation August, 1988
AH rights reserved Printed in U.S.A.

Chevrolet R-V 1989 Specifications

General

Brand	Chevrolet
Model	R-V 1989
Category	Trucks
Language	English

Summary

Subject Matter Overview

Description and Circuit Tracing

Overview of wiring diagram contents and how to trace electrical paths.

Diagnostic Principles and Tools

Guidance on circuit diagnosis, using diagnostic tools, and troubleshooting.

Abbreviation Reference

Reference for abbreviations used in wiring diagrams for clarity.

Vehicle Specific Information

R/V Models

Wiring information specific to R/V models.

P Chassis Models

Wiring information specific to P Chassis models.

Wiring Harness and Wire Information

Wire Color Coding and Patterns

Explanation of wire insulation colors and patterns for tracing circuits.

Wire Size and Gauge Conversion

Information on wire sizes, gauges, and conversion tables for proper selection.

Circuit Maintenance and Repair

General Maintenance Procedures

Guidelines for keeping electrical connections clean and tight for reliability.

Connector Terminal and Servicing

Procedures for replacing and servicing various types of connector terminals.

Wiring Repair Techniques

Methods for repairing damaged twisted wires and shielded cables.