JCB 3CX – fuse box diagram
Year of production:
Fuse box
The relays and fuses are located in the side console underneath the cover.
JCB 3CX – fuse box diagram
No.
A
Function
Column “A”
1
10
Hydraulic auxiliary
2
5
Fuel pump solenoid (engine stop)
3
7.5
Direction indicators
4
7.5
Steer mode proximity switch
5
10
Gearbox control, Transmission
6
3
Gear select / Forward Reverse (machines from serial No. 933757)
7
5
Brake lights (machines up to serial No. 933756)
7
10
Transmission (machines from serial No. 933757)
8
3
4 wheel drive (automatic brakes) (machines up to serial No. 933756)
8
7.5
Brake lights (machines from serial No. 933757)
9
5
Left hand side lights
10
5
Right hand side lights
Column “B”
1
5
Instruments, Buzzer
2
15
Front horn, Front washer/wiper
3
7.5
Rear horn
4
15
Heated seat, Cigar lighter, Face level fan
5
10
Rear wiper/wash
6
10
Brake switch
7
5
Return to dig enable
8
25
Rear working lights
9
20
Headlights
10
25
Front working lights
Column “C”
1
7.5
Lights
2
15
Hazard light
3
10
Beacon, Interior light
4
5
Radio
5
20
Thermostart
6
30
Heater
7
3
Ignition relay coils
8
15
Main beam
9
3
Fog light
10
15
Dip beam
Relays
1
Ignition 1
2
Hammer
3
Auxiliary (jaw bucket)
4
Main lights
5
Engine run
6
Hydraulic speed control (HSC)
7
Buzzer
8
Buzzer
9
Ignition 2
10
Front working lights
11
Rear working lights
12
Direction indicator
13
Neutral start
14
Rear horn
15
Parking brake warning light
16
Air conditioning compressor
17
Parking brake
JCB 3CX – fuse box diagram
No.
Relays
FD1
Forward HI/LO
FD2
Forward
FE1
Reverse HI/LO
FE2
Reverse
FF1
Interlock
FF2
Drive
FG1
Blank
FG2
Transmission dump
FH1
Auto 2WD
FH2
4WB
JCB 3CX – fuse box diagram
No.
Relays
FG1
Reverse Alarm
FG2
Transmission dump
FH1
2WB
FH2
Brake lights
JCB 3CX – fuse box diagram
No.
A
Function
1
30
Hazard warning lights, Beacon, Lights
2
50
Wash/Wipe, Transmission, Indicators
3
50
Work lights, Fog Lights, Brake lights
4
50
Ignition, Heater, Thermostart
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.