Volvo Truck Service Manual for FH Series with Wiring Diagrams

Service Manual Trucks Group 37 Release 01 Wiring diagram FH CHID A719915– CHID B603072– CHID CKD901544– 89011639

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Foreword The descriptions and service procedures contained in this manual are based on designs and methods studies carried out up to September 11. The products are under continuous development. Vehicles and components produced after the above date may therefore have different specifications and repair methods. When this is judged to have a significant bearing on this manual, supplementary service bulletins will be issued to cover the changes. The new edition of this manual will update the changes. In service procedures where the title incorporates an operation number, this is a reference to V.S.T. (Volvo Standard Times).

Service procedures which do not include an operation number in the title are for general information and no reference is made to V.S.T. The following levels of observations, cautions and warnings are used in this Service Documentation: Note: Indicates a procedure, practice, or condition that must be followed in order to have the vehicle or component function in the manner intended. Caution: Indicates an unsafe practice where damage to the product could occur. Warning: Indicates an unsafe practice where personal injury or severe damage to the product could occur. Danger: Indicates an unsafe practice where serious personal injury or death could occur.

Volvo Truck Corporation Gцteborg, Sweden Note: Check always the latest information at the “Wiring diagrams-site”. Order number: 89011639 Repl: © 11 Volvo Truck Corporation, Gцteborg, Sweden All rights reserved. No part of this publication may be reproduced, stored in retrieval system, or transmitted in any forms by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of Volvo Truck Corporation . ENG47500

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Contents Example of wiring diagram ....................................................................................................... 2 Component wiring diagram index ............................................................................................. 5 Component wiring diagrams ....................................................................................................

9 Illustrations index .................................................................................................................126 Illustrations ..........................................................................................................................127 Fuses ...................................................................................................................................226 Relays ..................................................................................................................................228 Wiring harness layout ...........................................................................................................231 Ground connections .............................................................................................................234 List of connectors .................................................................................................................237 List of components ...............................................................................................................252 Abbreviations .......................................................................................................................262 Cable colour code .................................................................................................................264 Feedback .............................................................................................................................265 1

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Group 37 Wiring diagram FH Example of wiring diagram Component wiring diagram title, variant/subtitle and symbol. Coordinates (B 1). 30 Voltage battery, kl.30. 15 Voltage with starter key in drive position, kl.15. DR Voltage with starter key in drive position, preheat position and start position, kl.DR. 61 Voltage when alternator charges, kl.61. Splice. Fuse. Reference arrow, for diagram BA, coordinates 0 C, component A17, connector PA pin 29. 2

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