LS Swap Standalone Wiring Harness Drive By Wire DBW 4L60E Trans For 1997-04 LS1

LS Swap Standalone Wiring Harness for GM

This standalone wiring harness supports drive-by-wire LS swaps with a 4L60E transmission, designed for 1997-2004 LS1 engine combinations.

Overview

This LS swap standalone wiring harness simplifies engine management wiring for drive-by-wire LS1 builds running a 4L60E automatic transmission. It connects the ECM, throttle body, injectors, and sensors so the swap fires up without chasing factory harness clutter. Built for engine swappers and shops working on 1997-2004 LS1 projects.

Built For Performance

• Standalone design removes the need to adapt a factory vehicle harness
• Configured for drive-by-wire throttle body operation
• Wired for 4L60E automatic transmission control
• Connects ECM, injectors, coils, and sensors in one loom
• Suited to 1997-2004 LS1 engine combinations
• Labeled runs help speed up installation and troubleshooting

Fits These Machines

• for 1997-2004 LS1 engine swaps
• for 4L60E automatic transmission setups
• for drive-by-wire throttle body configurations

On-The-Job Use

• Engine swaps into classic cars, trucks, and project builds
• Replacing a damaged or hacked factory harness
• Cleaning up wiring on an existing LS conversion
• Shop builds needing a repeatable standalone wiring solution

Specs At A Glance

Good To Know

Q: Does this harness work with a cable throttle body? A: No, this harness is configured for drive-by-wire throttle bodies, so confirm your intake and pedal assembly match before ordering.

Q: Is tuning required after installation? A: Yes, the ECM typically needs programming to match your engine, transmission, and vehicle configuration for proper operation.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.