VOLVO A25D A30D A35D A40 ADT Wiring ELECTRCAL Diagram Manual

Electrical and Information Systems 37 Cable, fuse, relay CONTENT 3 13575- 12474- 73153- BRA A25D A30D PED A25D/A30D SERVICE MANUAL

1 Foreword This booklet is part of a complete service manual. Read the foreword in the service manual. WARNING! n Always read the booklet Safety before proceeding. VOE 21 A 1001455

2 Contents 37 CABLE; FUSE; RELAY 370 General, common info about 371 - 379 Components, list and positions ........................................................................................ 3 Component position 110 .............................................................................................. 3 Component position 1, AL320131GR1........................................................................... 4 Component position 2, HE2301LA3601 ......................................................................... 6 Component position 3, LA3602LC4202 ......................................................................... 8 Component position 4, LC4601MA4207 ...................................................................... 10 Component position 5, MA4601R3502 ........................................................................ 12 Component position 6, RC8401SA4201 ...................................................................... 14 Component position 7, SE2202SE5202 ....................................................................... 16 Component position 8, SE5203SO3901 ...................................................................... 18 Component position 9, SW2301SW3801 ..................................................................... 20 Component position 10, SW4201SW9102 ................................................................... 22 Explanation of wiring diagrams ...................................................................................... 24 Electrical symbols and designations .............................................................................. 25 Grounding points (chassis connections)......................................................................... 29 Wiring diagrams ............................................................................................................. 31 Wiring diagram A01 ........................................................................................................ 32 Wiring diagram A02 ........................................................................................................ 34 Wiring diagram A03 ........................................................................................................ 36 Wiring diagram A04 ........................................................................................................ 38 Wiring diagram A05 ........................................................................................................ 40 Wiring diagram A06 ........................................................................................................ 42 Wiring diagram A07 ........................................................................................................ 44 Wiring diagram A08 ........................................................................................................ 46 Wiring diagram A09 ........................................................................................................ 48 Wiring diagram A10 ........................................................................................................ 50 Wiring diagram A11 ........................................................................................................ 52 Wiring diagram A12 ........................................................................................................ 54 Wiring diagram A13 ........................................................................................................ 56 Wiring diagram A14 ........................................................................................................ 58 Wiring diagram A15 ........................................................................................................ 60 Wiring diagram A16 ........................................................................................................ 62 Wiring diagram A17 ........................................................................................................ 64 Wiring diagram A18 ........................................................................................................ 66 Wiring diagram A19 ........................................................................................................ 68 Wiring diagram A20 ........................................................................................................ 70 Wiring diagram A21 ........................................................................................................ 72 Wiring diagram A22 ........................................................................................................ 74 Wiring diagram A23 ........................................................................................................ 76 Wiring diagram A24 ........................................................................................................ 78 Wiring diagram A25 ........................................................................................................ 80 Wiring diagram A26 ........................................................................................................ 86 Wiring diagram A27 ........................................................................................................ 90 Wiring diagram A28 ........................................................................................................ 96 372 Electrical distribution box; fuse; relay; circuit breaker Electrical distribution box, description .......................................................................... 102 Fuses.......................................................................................................................... 103 Relays ........................................................................................................................ 105 Other fuses and relays, description .............................................................................. 106 Other fuses ................................................................................................................. 106 Other relays ................................................................................................................ 107

3 ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS 37 CABLE; FUSE; RELAY 370 General, common info about 371 - 379 Components, list and positions Component position 110  Component position 1, AL320131GR1, page 4  Component position 2, HE2301LA3601, page 6  Component position 3, LA3602LC4202, page 8  Component position 4, LC4601MA4207, page 10  Component position 5, MA4601R3502, page 12  Component position 6, RC8401SA4201, page 14  Component position 7, SE2202SE5202, page 16  Component position 8, SE5203SO3901, page 18  Component position 9, SW2301SW3801, page 20  Component position 10, SW4201SW9102, page 22

4 Component position 1, AL320131GR1 Fig. 1 1, component position AL320131GR1

5 Table 1. Component list 1 Position, Designation, Description Wiring diagram Electric power supply 1 (a) AL3201 Alternator Wiring diagram A04, page 38 2 BA3201 Battery 1 Wiring diagram A04, page 38 3 BA3202 Battery 2 Wiring diagram A04, page 38 Fuses 4 FC1 Main fuse Wiring diagram A04, page 38 5 FC2 HE2501 Preheating induction air Wiring diagram A04, page 38 6 FC3 MO3702 Hood pump Wiring diagram A04, page 38 7 FH1 Sensor, preheating Wiring diagram A25, page 80 8 FH2 Delayed stop Wiring diagram A05, page 40 9 FH3 RE2501 Preheating induction air Wiring diagram A05, page 40 10 FH4 Drain water in fuel Exhaust brake Wiring diagram A05, page 40 Fuses on circuit board 11 FU1FU42 see Electrical distribution box, description, page 102 Grounding points (see also Grounding points (chassis connections), page 29) 12 31GC1 Cab Wiring diagram A04, page 38 13 31GE1 Engine, right rear Wiring diagram A04, page 38 14 31GF1 Frame, tractor unit, by upper mount dropbox Wiring diagram A04, page 38 15 31GF2 Frame, tractor unit, by left brake booster Wiring diagram A04, page 38 16 31GF3 Frame, tractor unit, by right engine mount rear Wiring diagram A04, page 38 17 31GF4 Frame, tractor unit, under cab steps Wiring diagram A04, page 38 18 31GF5 Frame, tractor unit, by engine hood pump Wiring diagram A04, page 38 19 31GF6 Frame, tractor unit, by alternator Wiring diagram A04, page 38 20 31GFSM Starter motor Wiring diagram A04, page 38 21 31GR1 Frame, load unit Wiring diagram A04, page 38 a. Position depending on engine type. D10B (A), D9A (B)

6 Component position 2, HE2301LA3601 Fig. 2 2, component position HE2301LA3601

7 Table 2. Component list 2 Position, Designation, Description Wiring diagram Heating coil 1 HE2301 Heating coil, fuel heating Wiring diagram A25, page 80 2 (a) HE2501 Heating coil, preheating induction air Wiring diagram A25, page 80 3 HE3601 Heating coil, rear-view mirror, left lower Wiring diagram A08, page 46 4 HE3602 Heating coil, rear-view mirror, left upper Wiring diagram A08, page 46 5 HE3603 Heating coil, rear-view mirror, right lower Wiring diagram A08, page 46 6 HE3604 Heating coil, rear-view mirror, right upper Wiring diagram A08, page 46 7 HE3801 Cigarette lighter, 28 VDC Wiring diagram A12, page 54 8 HE8501 Heating coil, seat heating Wiring diagram A22, page 74 Service socket 9 (b) IA Service socket for service panel Wiring diagram A06, page 42 Instruments 10 IM3801 Speedometer Wiring diagram A14, page 58 11 IM3802 Tachometer, engine Wiring diagram A14, page 58 12 IM3803 Fuel gauge, tank Wiring diagram A14, page 58 13 IM3804 Feed pressure brakes, tractor unit Wiring diagram A14, page 58 14 IM3805 Feed pressure brakes, load unit Wiring diagram A14, page 58 15 IM3806 Temperature gauge for transmission/retarder Wiring diagram A14, page 58 16 IM3807 Information display unit Wiring diagram A14, page 58 17 IM3808 Total distance travelled Wiring diagram A14, page 58 18 IM3809 Tachograph Wiring diagram A11, page 52 Lights 19 (c) LA3501 Interior lighting, left front Wiring diagram A11, page 52 20 LA3502 Low beam, left Wiring diagram A07, page 44 21 LA3503 Low beam, right Wiring diagram A07, page 44 22 LA3504 High beam, left Wiring diagram A07, page 44 23 LA3505 High beam, right Wiring diagram A07, page 44 24 LA3508 Running light, left front fender Wiring diagram A07, page 44 25 LA3509 Running light, right front fender Wiring diagram A07, page 44 26 LA3510 Running light, left rear Wiring diagram A07, page 44 27 LA3511 Running light, right rear Wiring diagram A07, page 44 28 LA3512 Work light, left front Wiring diagram A08, page 46 29 LA3513 Work light, right front Wiring diagram A08, page 46 30 LA3514 Work light, left rear Wiring diagram A08, page 46 31 LA3515 Work light, right rear Wiring diagram A08, page 46 32 (c) LA3516 Interior lighting, left rear Wiring diagram A11, page 52 33 LA3517 Interior lighting, right rear Wiring diagram A11, page 52 34 LA3518 Interior lighting, right front Wiring diagram A11, page 52 35 LA3601 Rotating beacon Wiring diagram A08, page 46 a. Position depending on engine type. D10B (A), D9A (B) b. Position dependent on serial number. c. Position dependent on version. Version 1,2 (A), version 36 (B). See Wiring diagram A11

8 Component position 3, LA3602LC4202 Fig. 3 3, component position LA3602LC4202

VOLVO A25D A30D A35D A40 ADT Wiring ELECTRCAL Diagram Manual

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