TCI 376600 Transmission Wiring Harness and Lockup Switch Kit for 200R4 and 700R4

The TCI 376600 Transmission Wiring Harness and Lockup Switch Kit provides a practical solution for controlling torque converter lockup in 200R4 and 700R4 automatic transmissions. Designed for TCI lockup applications, this kit helps simplify transmission wiring and supports reliable converter lockup operation in compatible street, performance, and retrofit builds.
The harness and switch assembly is intended to connect the transmission’s lockup function to the vehicle’s electrical system, helping installers establish a clean and organized control circuit. Its application-specific design makes it a suitable choice when replacing worn wiring, completing a transmission swap, or adding lockup functionality to a compatible 200R4 or 700R4 installation. Verify transmission and vehicle compatibility before installation.
The TCI 376600 kit is supplied as a focused wiring solution for builders who want dependable control without assembling individual components. Follow the transmission manufacturer’s wiring guidance and use proper electrical installation practices to ensure secure connections and correct operation. This kit is not air restricted and does not require truck freight, making it suitable for standard shipping and typical workshop installation requirements.

Features:

• Application: Designed for TCI torque converter lockup systems

• Transmission Compatibility: Fits compatible 200R4 and 700R4 automatic transmissions

• Product Type: Transmission wiring harness and lockup switch kit

• Installation Support: Helps organize and connect the transmission lockup control circuit

• Brand: TCI

• Part Number: 376600

• Shipping Classification: Not air restricted and not designated for truck freight