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Komatsu PC25-1 Fuse Box Diagram

avatar Jonathan Yarden May 06, 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.

Year of production:

Fuse box

Komatsu PC25-1 - fuse box diagram

Numbers Ampers Protected Circuit
1 10 Spare fuse
2 10 Engine control system, valve for work equipment lever lock
3 20 Monitor panel, wiper*, heater*, room lamp*, radio*
4 20 Head lamp, travel selector valve
5 30 Engine control system
* These items are only for the cab specification machine.

If the power does not come on when the starting switch is turned to the ON position, the wire-shaped fusible link ® may be cut, so remove the cover on the right side of the chassis, and check or replace.

Komatsu PC25-1 - fuse box diagram - fusible link

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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