The Volvo VN truck tractor has been produced since 1996 with various modifications and changes, referred to as VNL, VNM, VHD, etc. In our article, we will present a description of the Volvo VNL fuses and relays with fuse box diagram and its location. Note the cigarette lighter fuse.
Fuse and relay box
All Volvo VN models are characterized by the common location of the main fuse and relay box, in the central part of the panel. To access it, you need to remove the protective cover.
The fuse box itself will look something like this:
Check the purpose of the fuses and relays with your diagram located on the back of the protective cover or other technical documentation.
Diagram
Assignment
Fuses
| 1 | control unit on the driver’s door (locks, power windows, mirrors) |
| 2 | radio, cd, amplifier |
| 3 | driver’s power window and mirror heating |
| 4 | passenger window lifter |
| 5 | steering column control module |
| 6 | optional equipment (extension of accessories) |
| 7 | not used |
| 8 | power #1 of the light control module (LCM) |
| 9 | trailer lighting, trailer marker relay |
| 10 | power supply #2 of the light control module (LCM) |
| 11 | battery/Volvo Link |
| 12 | road relay / battery |
| 13 | diagnostic connector |
| 14 | qualcom |
| 15 | ignition key terminal “B” |
| 16 | ignition key terminal “30” |
| 17 | power supply #3 of the light control module (LCM) |
| 18 | trailer parking relay |
| 19 | illumination in the battery compartment |
| 20 | battery discharge protection module |
| 21 | Cummins Engine DR |
| 22 | fuel filter |
| 23 | climate control lighting |
| 24 | dashboard |
| 25 | seat heating |
| 26 | wipers |
| 27 | differential lock |
| 28 | wheel lock |
| 29 | camera preparation / Body Builder Ignition Z |
| 30 | power driver’s seat |
| 31 | power passenger seat |
| 32 | ignition extension |
| 33 | snow plow lights LH |
| 34 | central tire inflation |
| 35 | snow plow lights RH |
| 36 | cigarette lighter |
| 37 | cockpit lighting |
| 38 | – |
| 39 | radio station |
| 40 | suspension (ECS) |
| 41 | air horn |
| 42 | Power #5 Light Control Module (LCM) |
| 43 | stops on the trailer, relay |
| 44 | power supply #6 of the light control module (LCM) |
| 45 | electric horn |
| 46 | constant (non-switchable) power for radio and devices |
| 47 | main power supply for the stove / air conditioner fan |
| 48 | central locking |
| 49 | AUX1 |
| 50 | AUX2 |
| 51 | AUX3 |
| 52 | battery discharge protection module |
| 53 | additional 12 volt socket |
| 54 | additional non-switchable power supply |
| 55 | – |
| 56 | air dryer, brakes |
| 57 | airbag (SRS) |
| 58 | lifting axles / body reverse |
| 59 | qualcomm / Inside/Outside Air |
| 60 | road relay / body builder Ign-Y/Ing. Exp. |
| 61 | ABS |
| 62 | ABS |
| 63 | suspension |
| 64 | fifth wheel lock |
| 65 | light control module (LCM) |
| 66 | body builder Ign-X |
| 67 | coolant pump VED16 |
| 68 | central locking |
| 69 | extra food |
| 70 | Vorad/ECS |
| 71 | not used |
| 72 | ignition for the box – automatic |
| 73 | ICON only with Cummins |
| 74 | radio with icon/ amplifier |
| 75 | PTO power take-off |
| 76 | Jake Brake, Engine Brake, Exhaust Brake |
| 77 | Allison D.R. |
| 78 | Allison Battery |
| 79 | EMS A |
| 80 | EMS B/ Deairation SW |
| 81 | EMS System/VECU |
| 82 | Body Builder module |
| 90 | Fuel pump |
| 91 | – |
| 92 | Interior lamps |
The number 36 fuse is responsible for the cigarette lighter.
Relay
| 1 | RELAY. DR |
| 2 | RELAY. TRAILER PARKING |
| 3 | RELAY. TRAILER STOP |
| 4 | RELAY. EMS |
| 5 | RELAY. LIFT AXLE / REVERSE SIGNAL |
| 5A | RELAY. Temp. A Start DR |
| 6A | RELAY. Temp. A Start IGN |
| 7 | RELAY. PTO |
| 9 | RELAY TRAILER MARKER |
| 10 | RELAY. CITY HORN |
| 11 | RELAY. DOME / DOOR LAMPS |
| 12 | RELAY. INTERMITTENT WIPER |
| 13 | RELAY. AUTOSHIFT |
| 13_1 | RELAY. ALLISON START ENABLE |
| 14 | RELAY. ALLISON AUTONEUTRAL |
| 14_1 | RELAY. Park Brake TAS |
| 15 | RELAY. ALLISON POWER |
| 16 | RELAY. BODY BUILDER REMOTE THROTTLE INC |
| 17 | RELAY. BODY BUILDER REMOTE THROTTLE DEC |
| 18 | RELAY. ALLISON SERVICE BRAKE INPUT |
| 20 | RELAY. ALLISON BODY BUILDERER1 |
| 21 | RELAY. ALLISON BODY BUILDERER2 |
| 26 | SNOWPLOW LH ER8 |
| 27 | SNOWPLOW RH ER9 |
| 28 | SNOWPLOW LCM INPUTER7 |
| 29 | POWER RELAY 1 BATTERY |
| 30 | POWER RELAY 2 IGNITION |
| 31 | POWER RELAY 3 IGNITION |
| 32 | POWER RELAY 4 ACCESSORY |
| 33 | Relay. ER9 Motorized Mirror IN |
| 33A | Relay. ER8 Motorized Mirror OUT |
| 34 | ER8 ECS Rower |
| 35 | MEIIR ER3 |
| 36 | Relay. ER7 Power Window ‘UP’ |
| 37 | Relay. ER6 Power Window ‘DOWN’ |
| 38 | Roof Marker Lamps ER2 |
| 39 | Relay Sleeper HVAC On Harness |
| 40 | RELAY STARTER MOTOR |
| 41 | RELAY. PARK BRAKE |
| 42 | RELAY ENGINE PREHEAT |
| 43 | Relay, Shunt |
| 44 | Relay, Battery Protection ER8 |
Wiring diagram Volvo vnl
Need more information about the wiring diagram of Volvo VN? Study this manual: “download“.
If you have any questions – ask them in the comments.
Muy buena información, mucho más porque se requiere tener a la mano lo que no hace trabajar con más entusiasmo
My Hazzards aren’t working. Which number fuse needs to be replaced without messing anything else up??