In the construction and mining industries, machine downtime caused by electrical failures can result in costly delays and reduced productivity. One of the most common causes of electrical system issues is aging or damaged wiring harnesses. To help equipment owners maintain reliable machine performance, JISION continues to expand its range of high-quality Caterpillar wiring harness solutions.
Our product line covers body harnesses, chassis harnesses, engine harnesses, fuel injection harnesses, and customized electrical harness assemblies for a wide range of Caterpillar excavators.
JISION supplies wiring harnesses compatible with many CAT excavator models, including:
- CAT 320
- CAT 320B
- CAT 320C
- CAT 320D
- CAT 320GC
- CAT 323D
- CAT 325C
- CAT 325D
- CAT 330C
- CAT 330D
- CAT 330GC
- CAT 336D
- CAT 345D
- CAT 349
Whether customers require a complete machine harness or a specific section of the electrical system, our team can provide the correct replacement solution.
A wiring harness serves as the central nervous system of an excavator. It connects the ECM, sensors, switches, displays, solenoid valves, relays, and electrical components throughout the machine.
A damaged or poorly manufactured harness can lead to:
- Engine communication faults
- Sensor signal loss
- Hydraulic control issues
- Starting failures
- Intermittent electrical problems
- Increased maintenance costs
Using a high-quality replacement harness helps ensure stable signal transmission, improved machine reliability, and reduced downtime.
JISION wiring harnesses are manufactured using premium materials and strict quality control procedures.
Features include:
- ✔ High-conductivity copper wiring
- ✔ Durable OEM-style connectors
- ✔ Heat-resistant protective sleeving
- ✔ Abrasion-resistant braided covering
- ✔ Accurate connector positioning
- ✔ Electrical continuity testing before shipment
Each harness is designed to perform reliably in harsh construction, quarry, and mining environments.
In addition to standard replacement harnesses, JISION also supports custom wiring harness production.
Services include:
- ✔ Small batch manufacturing
- ✔ Sample-based production
- ✔ OEM customization
- ✔ Connector matching
- ✔ Drawing-based development
- ✔ Prototype production
Customers can provide a part number, sample harness, or technical drawing, and our engineering team will develop a suitable solution.
Finding the correct wiring harness can often be challenging due to machine variations and serial number differences.
To simplify the process, customers only need to provide:
- Machine model
- Machine serial number
- Original part number
- Nameplate photo
- Harness installation location
Our technical team will quickly identify the correct harness and recommend the most suitable solution.
Beyond wiring harnesses, JISION also supplies:
- ECM & ECU Controllers
- Excavator Monitors
- Solenoid Valves
- Sensors
- Diagnostic Tools
- Engine Electrical Components
With years of experience in construction machinery parts, JISION is committed to delivering reliable products, competitive pricing, and professional technical support to customers worldwide.
Looking for a Caterpillar wiring harness?
Simply send us your machine information, and our team will help you find the correct solution quickly and efficiently.
JISION – Your Reliable Partner for Construction Machinery Electrical Parts.
