Fuse box
| Number | Ampers | Protected circuit |
| 1 | 5 | Wiper |
| 2 | 20 | Switched Power |
| 3 | 25 | Alternator/Power Relay |
| 4 | 25 | Attach. Control Device |
| 5 | — | — |
| 6 | 25 | Air Cond., Heater Fan |
| 7 | 5 | Ignition |
| 8 | 25 | Fuel Solenoid |
| 9 | 25 | Controller |
| 10 | 25 | Attach. Control Device |
| 11 | 20 | Lights |
| 12 | 15 | Accessory Plug |
| Relay | ||
| E | Switched Power | |
| F | Fuel Solenoid | |
| G | Lights | |
| H | Glow Plugs | |
| J | Starter | |
The excavator has a 12 volt, negative ground electrical system. The electrical system is protected by fuses located under the cover at the right side of the excavator (Item 1). The fuses will protect the electrical system when there is an electrical overload. The reason for the overload must be found before starting the engine again.
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.