Jonathan Yarden May 06, 2021 · 5 min. read
In this article you will find a description of fuses and relays JCB,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production:
Fuse box diagram
| Number | Ampers | Protected circuit |
| A1 | 10 | Junction box, hydraulic tools |
| A2 | 5 | Engine shut off system |
| A3 | 7,5 | Direction indicators |
| A4 | 10 | Creep speed transmission |
| A5 | 10 | Manual transmission |
| A6 | 5 | Airmaster (if fitted) |
| A7 | 5 | Shovel reset, Smooth ride system |
| A8 | 5 | Brake lights (secondary) |
| A9 | 3 | Right hand side lights |
| A10 | 3 | Left hand side lights |
| B1 | 5 | Tachometer, Gauges |
| B2 | 15 | Front horn, Front washer/wiper |
| B3 | 7,5 | Rear horn |
| B4 | 20 | Auxiliary power socket |
| B5 | 15 | Rear washer/wiper |
| B6 | 10 | Brake lights (primary) |
| B7 | 25 | Rear work lights |
| B8 | 20 | Lighting, headlights |
| B9 | 25 | Front work lights |
| B10 | 10 | Beacon |
| C1 | 3 | Rear fog light |
| C2 | 15 | Headlight dip beam |
| C3 | 7,5 | Sidelights |
| C4 | 15 | Hazard lights |
| C5 | 10 | Wiper, Face level fan, Interior light |
| C6 | 1 | Radio, Hourmeter |
| C7 | 20 | Thermostart |
| C8 | 30 | Heater, Air conditioning |
| C9 | 3 | Starter relays |
| C10 | 15 | Headlight main beam |
| Relay | ||
| R1 | Indicators | |
| R2 | Front working lights | |
| R3 | Rear working lights | |
| R4 | Starter 1 | |
| R5 | Starter 2 | |
| R6 | Buzzer | |
| R7 | Neutral start | |
| R8 | — | |
| R9 | Compressor interlock (Airmaster only) | |
| R10 | Compressor shutdown (Airmaster only) | |
| R11 | Compressor start (Airmaster only) | |
| R12 | Parking brake | |
| R13 | Transmission dump | |
| R14 | Transmission reverse | |
| R15 | Transmission forward | |
| R16 | Rear horn | |
| R17 | Lights | |
| R18 | Brake lights | |
| R19 | — | |
| R20 | — | |
| R21 | — | |
Link Box Fuses
To further protect the machine wiring harnesses and electrical circuits, a fuse link box is fitted to the battery, as shown at B.
| Number | Ampers | Protected circuit |
| 1 | 40 | Hazard warning lights, Side lights, Face level fan |
| 2 | 50 | Wash/Wipe, Transmission, Indicators |
| 3 | 60 | Work lights, Fog Lights, Road lights |
| 4 | 50 | Ignition, Heater, Thermostart |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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