Volvo Service Manual (EN)

Service Manual Trucks Group 37 Version 01 Wiring diagram FH12, FH16 LHD To be inserted into the binders for FM, FH. TSP119544

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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 1998. 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 situation, handling or circumstance which should be observed. Important: Indicates a situation, handling or circumstance which should be emphasized so as not to lead to personal injury or damage to property. Caution: Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or damage to property. Warning:

Indicates a potentially hazardous situation which, if not avoided, could result in death, serious injury or major damage to property. Danger: Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury. Volvo Truck Corporation Gцteborg, Sweden Order number: TSP119544 © 1998 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, me- chanical, photocopying, recording or otherwise, without the prior written permission of Volvo Truck Corporation.

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Contents Example of wiring diagram ................................................................... 2 Examples of symbols on wiring diagram ........................................... 3 Component wiring diagram index ....................................................... 5 Component wiring diagrams ................................................................ 7 Illustrations index ................................................................................ 48 Illustrations ........................................................................................... 49 Circuit card electrical centre ............................................................

104 Fuses on circuit card electrical centre ........................................... 105 Relays on circuit card electrical centre .......................................... 106 Cable harness illustration index ...................................................... 107 List of connectors ............................................................................. 110 List of components ........................................................................... 117 Abbreviations ..................................................................................... 123 Cable colour code ............................................................................. 124 Feedback 1

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Group 37 Wiring diagram FH12, FH16 LHD Example of wiring diagram Example of wiring diagram Refer to the list of contents for the designation of the circuit diagram. If the circuit diagram designation is boxed in with broken lines this means that the circuit diagram is not standard on all market or vehicle models. Seek column. 30 Voltage battery, kl.30. 15 Voltage with starting key in drive position, kl.15. 61 Voltage when alternator charges, kl.61. Reference arrow (for circuit diagram EA, seek column 13). Switch, comp. no. (104). Single lines, cables. Relay, comp. no. (303). Cable area and colour (0.75 mm 2 blue). Connector (CLA terminal 4). Bulb, comp. no.

(403) A broken line box round the component number shows that the component is not standard on all mar- kets or vehicle models. If the line is broken this means the cable is not stan- dard on all markets or vehicle model. Earth connection point no: 2. and earth terminal no: 4. (see diagram Earth Connections). Joint sleeve. T3009608 2

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