4L60E to 4L80E Transmission Wire Adapter Harness w/ VSS LS1 LM7 LQ4 5.3 LSX LS

Product Overview

This 4L60E to 4L80E Transmission Wire Adapter Harness is designed to simplify the electrical integration when swapping from a 4L60E to a heavy-duty 4L80E transmission. The 4L60E to 4L80E Transmission Wire Adapter Harness allows builders to maintain proper computer control over the transmission without the need for manual wire pinning or splicing. This high-quality wiring solution is intended for automotive enthusiasts and professional technicians performing LS engine swaps and transmission conversions.

Key Features & Performance

• Plug-and-play design eliminates the need for complex wire repinning
• Integrated Vehicle Speed Sensor (VSS) harness ensures accurate speed data
• High-quality automotive grade wire and connectors resist heat and vibration
• Maintains factory-like appearance and reliability in the engine bay
• Compatible with a wide range of LS-series engine controllers and platforms

Fitment & Compatibility

• GM vehicles originally equipped with LS series 4L60E transmissions
• LS1, LM7, LQ4, 4.8L, 5.3L, 5.7L, and 6.0L engine configurations
• Compatible with RWD, 4WD, and AWD drivetrain setups
• Fits 1996-2006 GM trucks, SUVs, Camaro, Firebird, and GTO models

Common Uses

• Converting a vehicle from a 4L60E transmission to a stronger 4L80E unit
• Simplifying electrical wiring during LS engine and transmission swaps
• Restoring electrical communication between the PCM and the speed sensor

Technical Specifications

• Adapter Length: 18 inches
• VSS Harness Length: 96 inches
• Wire Type: OEM Grade TXL
• Connector Type: Delphi-style sealed connectors

Frequently Asked Questions

Q: Does this harness require a computer tune after installation? A: Yes, a transmission segment swap or PCM recalibration is required for the vehicle to correctly operate the new 4L80E transmission.

Q: Where does the additional VSS connector plug into on the transmission? A: The supplied VSS connector plugs into the front input speed sensor on the 4L80E, while your original harness connector stays on the rear sensor.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.