LINK ECU G4X Xtreme ECU + Terminated LS Gen 3 Harness Drive-by-Cable Kit

Link G4X XtremeX ECU LS Gen 3 Drive-By-Wire Bundle

A ready-to-go engine management package for GM Gen 3 LS engines including LS1 and LS6 with Drive-By-Wire throttle.

This bundle combines the Link G4X XtremeX ECU with a terminated LS engine harness and the required adapter looms, giving you a clean and practical way to install a modern standalone ECU without having to build a complete engine harness from scratch.

The terminated harness is designed around Link's PCLink base map I/O setup, helping reduce initial wiring and configuration work and providing a straightforward starting point for final setup and tuning.

Suitable Applications

Designed for:

• GM Gen 3 LS engines

• LS1

• LS6

• Drive-By-Wire applications

Bundle Includes

• Link G4X XtremeX ECU

• Terminated GM LS Gen 3 / Gen 4 Engine Harness

• LS Drive-By-Wire Adapter Loom

• LS MAP Adapter Harness

• LS Gen 3 Knock Adapter Loom

Link G4X XtremeX ECU

The XtremeX provides:

• 8 Injector Drives

• 8 Ignition Drives

• Fully programmable E-Throttle control

• Gear Shift Throttle Blip capability

• Anti-Lag

• Cruise Control

• Two independent CAN channels

• 30 General Purpose Tables

• Full Gear Shift Control

• Traction Control

• Launch Control

• Advanced Closed Loop Lambda Control

• Dual Bank Lambda Control

Drive-By-Wire Control

This bundle is intended for Gen 3 Drive-By-Wire LS applications.

The supplied DBW Adapter Loom allows the XtremeX ECU to control the electronic throttle system while retaining the dedicated pedal and throttle connections within the terminated harness.

The XtremeX also supports advanced E-Throttle functions including:

• Gear Shift Throttle Blip

• Cruise Control

• Anti-Lag functions using E-Throttle

• Configurable throttle control strategies

Terminated LS Engine Harness

The supplied terminated harness is designed to match the PCLink base map I/O configuration, helping get most supported engines running with minimal changes before final tuning.

The harness also provides spare inputs and outputs for additional sensors, switches and other vehicle functions.

Harness Connections

The harness includes dedicated connections for:

• Drive-By-Wire pedal

• CAN2 devices

• MAP sensor

• Knock sensors

• Alternator

• Transmission signals

• 4-wire Stepper IAC

• TPS

• Drive-By-Wire throttle body

Pedal Connection

The dedicated pedal connector provides:

• 5V supply

• Sensor ground

• Two analog voltage inputs

This is designed for use with a compatible DBW pedal assembly.

MAP Sensor Connection

The supplied LS MAP Adapter Harness allows connection to the factory LS MAP sensor arrangement while using the terminated Link engine harness.

Knock Sensor Connection

The included Gen 3 Knock Adapter Loom allows the factory Gen 3 knock sensors to be connected to the ECU's knock control inputs.

CAN Connection

A dedicated CAN2 connection is provided for compatible CAN devices including:

• Lambda modules

• Displays

• Keypads

• Other CAN-based accessories

Spare Inputs and Outputs

A dedicated Spares connector provides additional capacity for:

• Extra sensors

• Switches

• Custom functions

• Additional auxiliary controls

The chassis connector uses sealed JPT terminals for a reliable installation.

PCLink Base Map

A Gen 3 LS base map is available through PCLink to provide a starting point for initial setup.

The base map is intended to assist with initial configuration and starting only and is not a finished vehicle calibration.

Fuse Box and Relay Option

A version of this package is also available with a fuse box and relay setup for customers wanting a more complete installation package.

Please Note

Professional installation and tuning are recommended.

Final ECU configuration and calibration must be carried out to suit the individual engine, throttle setup and vehicle specification.