20Y-06-31660 208-06-A1221 Inner Wiring Harness for Komatsu PC400-6 Excavator | JISION

The 20Y-06-31660 Excavator Inner Wiring Harness is a replacement electrical wiring assembly intended for compatible Komatsu PC400-6 excavator applications.

This inner wiring harness is designed to provide electrical connections between compatible excavator control systems, switches, sensors, and associated electrical components, helping support consistent signal transmission and reliable equipment operation.

Featuring multiple electrical connectors, insulated multi-conductor wiring, flexible black corrugated protective tubing, and organized wiring branches, the JISION Inner Wiring Harness offers a practical replacement solution for excavator electrical system maintenance and repairs.

The product listing also references 208-06-A1221, subject to confirmation of the corresponding harness configuration and interchangeability.

It is suitable for construction machinery repair workshops, heavy equipment maintenance companies, excavator spare parts distributors, and international wholesale buyers.

1. Reliable Electrical Connectivity

Designed to provide electrical connections between compatible excavator electrical components, helping maintain circuit continuity and reliable electrical signal transmission.

2. Protective Corrugated Cable Tubing

Features flexible corrugated protective tubing intended to help shield internal electrical wires from abrasion, vibration, and contact with surrounding machinery components.

3. Multiple Electrical Connectors

Equipped with various electrical connector types and branching cables intended for connections within compatible excavator electrical systems.

4. Organized Wiring Configuration

The harness features bundled wiring branches, protective coverings, and connector groups to support proper routing and installation within the machine.

5. Durable Component Construction

Incorporates insulated wiring, molded connector housings, and protective outer sleeving suitable for demanding construction machinery environments.

6. Practical Replacement Solution

Suitable for replacing damaged, worn, or malfunctioning inner wiring harnesses during excavator maintenance, electrical system diagnostics, and machinery repairs.

This inner wiring harness is listed for:

• Komatsu PC400-6 Excavator

• 20Y-06-31660
• 20Y0631660
• 208-06-A1221
• 20806A1221

An excavator inner wiring harness may need replacement when the original wiring assembly develops:

• Broken or damaged electrical wires
• Loose or corroded electrical connectors
• Damaged wiring insulation
• Intermittent electrical circuit faults
• Connector housing damage
• Wiring abrasion or vibration-related wear
• Damaged protective cable tubing
• Poor electrical contact at connection points

Replacing a faulty wiring harness can help restore electrical circuit functionality when the harness has been identified as the cause of the malfunction.

The JISION Inner Wiring Harness is intended for:

• Excavator Electrical System Maintenance
• Inner Wiring Harness Replacement
• Machine Sensor and Switch Circuit Repairs
• Construction Machinery Electrical Diagnostics
• Heavy Equipment Maintenance Workshops
• Excavator Electrical Spare Parts Replacement

JISION supplies replacement parts and electrical components for excavators, diesel engines, and heavy construction machinery.

Our product range includes:

• Excavator Inner Wiring Harnesses
• Excavator External Wiring Harnesses
• Engine Electrical Wiring Harnesses
• Fuel Injector Wiring Harnesses
• Engine Controllers and ECU Modules
• Engine Sensors and Solenoid Valves
• Diesel Engine Fuel System Components
• Excavator Hydraulic Parts

We serve equipment owners, repair workshops, construction machinery maintenance companies, spare parts distributors, and international wholesale customers.

Looking for a replacement 20Y-06-31660 Inner Wiring Harness for your Komatsu PC400-6 excavator?

Contact JISION for product information, pricing, and wholesale inquiries.

For accurate product identification, please provide:

• Excavator model
• Original part number
• Machine serial number
• Photos of the original wiring harness and connectors
• Required quantity