Jonathan Yarden Oct 22, 2021 · 5 min. read
In this article you will find a description of fuses and relays Komatsu,
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.
Fuse box
| Numbers | Ampers | Protected Circuit |
| 1 | 10 | Radio power supply |
| 2 | 30 | Engine stop solenoid valve power supply, engine stop timer, safety relay, alternator excitation |
| 3 | 10 | Fuel pump, work light |
| 4 | 20 | High-low speed switch, PPC solenoid valve, display power supply |
| 5 | 15 | Horn |
| 6 | 15 | Windshield wiper, overhead light, heating (for machine with cab) |
| 7 | 10 | Optional equipment |
| 8 | 10 | Revolving light |
| 9 | ā | Free |
| 10 | ā | Free |
| 11 | ā | Free |
Main Fuse
IfĀ theĀ starterĀ doesĀ notĀ runĀ whenĀ theĀ ignitionĀ switchĀ isĀ turnedĀ to position ON, the fuse (1) may have blown. Open the cover on the leftĀ sideĀ ofĀ theĀ machineĀ toĀ checkĀ theĀ fuseĀ andĀ Ā changeĀ itĀ if necessary. The main fuse is positioned on the battery.
WARNING:Ā Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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