TCI Transmission Wiring Harness - TCI Lockup - 200R4 / 700R4 - Kit 376600

TCI Transmission Wiring Harness - TCI Lockup - 200R4 / 700R4

The TCI Transmission Wiring Harness is an essential kit for those looking to enhance their GM 700R4 or 2004R transmissions. Designed by TCI Automotive, this easy-to-install lockup wiring kit allows for hands-free, automatic activation of the torque converter clutch in 4th gear. Ideal for street rodders, muscle car enthusiasts, or anyone removing the factory computer in pre-1993 applications, this kit ensures smooth operation and improved fuel efficiency.

This universal lockup wiring kit features a fully adjustable vacuum switch that automatically engages and disengages the torque converter based on engine vacuum levels. For added flexibility, there is also a manual override option, giving you complete control over the lock-up process. Constructed with OEM connectors and oil-resistant wire, this durable kit includes everything needed for installation.

Installation is straightforward, requiring only general mechanical knowledge, making retrofitting into non-ECM 700R4 or 200R4 vehicles a breeze. With detailed instructions provided, you can quickly experience the benefits of better fuel economy and enhanced torque converter control.

Key features

• Automatic activation of the torque converter clutch in 4th gear.
• Fully adjustable vacuum switch for various vacuum levels.
• Manual override option for complete control over lock-up.
• Constructed from OEM connectors and oil-resistant wire for durability.
• Includes all necessary components for installation.
• Simple installation process with detailed instructions.
• Improves fuel economy and enhances driving control.

Technical details

• Compatible with GM 700R4 and 2004R transmissions.
• Includes gasket, wiring harness, vacuum switch, and 4th gear pressure switch.
• Features splice connectors and mounting screw for easy setup.
• Designed for non-computer controlled applications.
• Ideal for pre-1993 vehicles removing factory computers.

Applications / fitment

This wiring harness kit is typically used in various automotive settings, particularly where GM 700R4 or 2004R transmissions are involved.

• Street rods and muscle cars.
• Retrofits into pre-1993 vehicles.
• Non-ECM 700R4 or 200R4 applications.
• Custom builds and restorations.
• General automotive performance enhancements.

Why buy from Mick’s Gone Bush?

• Trusted Australian business focused on reliable power and auto-electrical products.
• Stock sourced from reputable distributors and brands like TCI Automotive.
• Practical support for trade, off-grid, and fleet customers.
• Clear shipping, warranty, and dedicated customer service.
• Expertise in power products and service parts for Australian conditions.

Frequently asked questions

What is included in the TCI Transmission Wiring Harness kit?

The kit includes a gasket, wiring harness, vacuum switch, 4th gear pressure switch, splice connectors, and a mounting screw.

Is installation difficult?

No, the installation is straightforward and requires only general mechanical knowledge. Detailed instructions are provided.

Can this kit be used in non-computer controlled applications?

Yes, this kit is specifically designed for use in non-computer controlled applications, making it ideal for retrofitting into older vehicles.

What benefits does the lockup wiring harness provide?

The harness allows for automatic activation of the torque converter clutch, improving fuel economy and providing better control over the vehicle's performance.

Is there a manual override option?

Yes, the kit features a manual override option that allows for complete control over the lock-up function when desired.