4L60E to 6L80 Wiring Harness Adapter

4L60E to 6L80 Wiring Harness Adapter

Plug-and-play wiring harness adapter for swapping from a 4L60E to 6L80 transmission. Converts the 4L60E vehicle-side case connector signals to the 6L80 connector pinout simplifying the transmission swap wiring process.

Core Transmission Supply carries carefully selected cross-transmission accessories to support installation, maintenance, and upgrades across all popular GM automatic transmissions.

• Plug-and-play installation
• 4L60E vehicle-side connector
• 6L80 transmission-side connector
• All signals properly translated
• Eliminates custom wiring
• Professional-grade terminals

Fitment: Universal — GM Vehicles and Transmissions

All parts sold by Core Transmission Supply ship from our facility with quality inspection. Professional installation recommended for optimal performance and longevity.