4L60E Internal Harness w/Lock-Up TCC Solenoid 93-02 for use with: TH700-R4, TH-700, 4L60E, 4L60, 4L65E, 4L70E, 4L70. OE Reference # 350-0025-100% New

4L60E Internal Wiring Harness with Lock-Up TCC Solenoid — 100% New

Restore reliable shifting and electrical performance in your GM 4L60E transmission with this direct-fit internal wiring harness. Includes the lock-up TCC solenoid for a complete, ready-to-install solution.

Compatible OEM Part Numbers

• 350-0025
• OE Reference: 4L60E

Compatible Transmissions

• GM 4L60E / 4L60 / 4L65E / 4L70E / 4L70 (1993–2002)
• TH700-R4 / TH-700

Compatible Vehicles

• Chevrolet / GMC / Cadillac models with 4L60E transmission, 1993–2002
• Not sure of your fitment? Provide your VIN and we'll confirm compatibility.

Key Features

• 100% new — not remanufactured
• Includes lock-up TCC solenoid — complete kit
• Engineered from high-quality materials for long-term durability
• Resolves erratic shifting, slipping, and transmission fault codes
• Plug-and-play installation

Installation

We recommend watching a model-specific installation video before starting. Always wear eye protection and use proper tools.

Questions? Contact our support team — we respond within 24 hours.