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20Y-06-71512 20Y-06-71510 Inner Internal Wiring Harness for Komatsu Excavator PC200-7 PC270-7
Keep your Komatsu PC200-7 PC210-7 working with the TOPARTS 20Y-06-71512 20Y-06-71510 Inner Internal Wiring Harness. It replaces the original harness one-for-one and is built for the vibration, heat and dirt that come with daily work on site.
What This Harness Does
Inside the cab, this harness ties the monitor panel, controller, key switch and control switches into one circuit network. When it starts to fail, the first signs are usually in the cab itself: dead switches, flickering displays or controls that respond only some of the time.
The internal harness lives inside the operator's cab and connects everything the operator touches and sees: the monitor, switch panels, joysticks, key switch, controllers and relays. It is the link between the operator's commands and the rest of the machine.
Komatsu excavators are known for long service lives, and many keep working well past the point where their original wiring has aged. A new harness is often the key to keeping an older Komatsu reliable.
Construction and Quality
We check connector fit, wire continuity and overall layout before shipping, so the harness you receive is ready to install. The materials are chosen for the temperature range, vibration and contamination found on construction equipment.
Planning the Repair
Electrical problems tend to get worse rather than better. Replacing a deteriorating harness at a planned service interval is far cheaper than dealing with a breakdown in the middle of a job, especially on remote sites.
Why Full Replacement Pays Off
Harness repairs are hard to do well in the field. Moisture gets into joints, tape loosens with heat, and intermittent faults come back. Replacing the harness gives you factory-style connections throughout and makes future troubleshooting far simpler.
Signs Your Harness Needs Replacing
Common warning signs are:
- Monitor flickering, going blank or resetting while working
- Switches on the console that do nothing or work only sometimes
- Joystick or work mode functions not responding
- Key switch or start circuit failing intermittently
- Burnt smell or discoloured connectors behind panels
Intermittent faults like these are classic signs of ageing wiring, and they rarely improve on their own.
Fitting Advice
- Remove the seat or console covers as needed to get clear access.
- Unplug the monitor and controller connectors carefully and check their locking tabs.
- Route the harness exactly as the original to avoid pinching under floor plates or seat rails.
- Test every switch and the monitor before refitting the panels.
Specifications
- Part Name: Inner Internal Wiring Harness
- Part Number: 20Y-06-71512, 20Y-06-71510, 20Y0671512, 20Y0671510
- Condition: Aftermarket new
- Product Weight: 6 kg / 13.23 lbs
- Brand: TOPARTS
- Feature: Quality checked before shipping; built for heavy-duty use
Applicable Models
Komatsu Excavator PC200-7, PC210-7, PC220-7, PC230-7, PC270-7
Ordering Information
- Payment Method: PayPal, Stripe, Credit card, Visa, etc.
- Shipping Method: DHL, FedEx, UPS, TNT, USPS EMS, etc.
- Track Your Order: An email containing the tracking number with a link will be sent to you as soon as it ships.
Note: Please verify your part number and match our product pictures to your original item before ordering. If you have any questions, please feel free to contact us. Thanks.
