Ford ECU 1U1L and 3U1E Wire Harness Repair Kit

Ford ECU Harness Repair Kit for Genie, JLG & Terex Equipment

Repair Damaged Ford ECU Connectors on LRG-425 Engines

The Ford ECU Harness Repair Kit is designed to repair damaged, cut, corroded, or missing ECU connectors found on Ford LRG-425 industrial engines commonly used in Genie®, JLG®, and Terex® construction equipment.

Instead of replacing the entire engine wiring harness, this repair kit allows technicians to restore the ECU connection quickly and professionally using OEM-style connectors and pre-crimped terminals. As a result, equipment downtime can be reduced while lowering repair costs.

Ideal for aerial lifts, boom lifts, telehandlers, and other Ford-powered industrial equipment. Additionally, the kit helps simplify field repairs and maintenance procedures.

Compatible Ford ECU Part Numbers

This Ford ECU Repair Kit is compatible with many Ford ECM and ECU assemblies, including:

• Ford 1U1L-12A650-AA
• Ford 1U1L-12A297-FA
• Ford 1U1L-12A650-DA
• Ford 1U1L-12A650-DB
• Ford 1U1L-12A650-CB
• Ford 1U1L-12A297-DA
• Ford 1U1L-12A297-BA
• Ford 3U1E-12A650-DB

If your ECU part number is not listed, contact Diesel Electronic Supply for compatibility verification. However, many additional Ford ECU part numbers may also be supported.

Compatible Equipment Applications

Technicians commonly use this repair kit on Ford LRG-425 engine applications, including:

Genie Equipment

• Genie Boom Lifts
• Genie Scissor Lifts
• Genie Aerial Work Platforms

JLG Equipment

• JLG 450AJ
• JLG Boom Lifts
• JLG Aerial Platforms

Terex Equipment

• Terex Aerial Lifts
• Terex Utility Equipment
• Other Ford LRG-425 Powered Machines

What's Included

• 1x Grey ECU Connector
• 1x Black ECU Connector
• 35x Red Pre-Crimped Wires (1 ft each)
• 35x Grey Pre-Crimped Wires (1 ft each)

Total Included

• 2 ECU Connectors
• 70 Pre-Crimped Wires
• Professional-Grade Crimp Contacts

Ford ECU Connector Repair Kit Features

OEM-Style Connectors

Designed to match the original Ford ECU connector configuration. Therefore, installation is straightforward and dependable.

Pre-Crimped Repair Wires

The included repair wires save installation time and eliminate the need for specialized crimp tooling. Furthermore, they help create a professional-quality repair.

Durable Construction

Built using high-quality materials designed for demanding construction and industrial environments. Because of this, the repair can withstand vibration, moisture, and harsh operating conditions.

Cost-Effective Repair

Repair only the damaged connector instead of replacing the complete wiring harness. As a result, maintenance costs can be significantly reduced.

Fast Installation

Ideal for field repairs, maintenance shops, equipment dealers, and fleet service departments. In addition, the pre-crimped design helps reduce labor time.

Common Reasons for ECU Connector Failure

This Ford ECU Harness Repair Kit is frequently used to repair:

• Broken ECU connectors
• Corroded ECU terminals
• Melted connector housings
• Rodent-damaged wiring
• Cut harnesses from previous repairs
• Intermittent engine communication faults
• Loose terminal connections

For example, equipment exposed to moisture, vibration, and extreme temperatures often experiences connector failures over time.

Why Choose Diesel Electronic Supply

Diesel Electronic Supply specializes in connector repair solutions, harness repair kits, and remanufactured wiring assemblies for heavy-duty, industrial, agricultural, and construction equipment.

Additionally, our repair kits help reduce equipment downtime while providing a professional repair solution without the cost of replacing the entire harness. Therefore, technicians can return equipment to service faster and more economically.

Important Note

ECU Module Not Included.