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.