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On special offer
Gen3 LS Drive-By-Wire Bundle: G4X XtremeX ECU + LS Engine Harness + Fuse Box bundle
- Link G4X XtremeX Gen3 LS is a complete engine management kit for V8 LS1 and LS6 engines with electronic throttle control, including the XtremeX ECU, engine wiring harness, adapters, fuse box and relay.

Features
Advanced features of the XtremeX ECU:
- Fully programmable E-throttle control complete with capability of gear shift throttle blip and antilag.
- Cruise control.
- Two independent CAN modules.
- 30 general purpose tables (up from 20).
- All Motorsport features including full gear shift control, cruise control, traction control, antilag and launch control.
- Advanced closed loop lambda strategy and dual bank lambda control.
The terminated harness has the following features:
- Designed to match the PC Link base maps IO setup so that most engines can be made to run with minimal adjustments.
- Provides spare IO via a "Spares" connector, offering extra capacity for sensors, switches, or custom additions.
- With the addition of the fusebox, this package includes main chassis "flying leads" (un-terminated wires) for essential power and control, including:
- Large red "Batt+" wire (for ECU main power)
- Red-Green "Fan" wire (ECU-controlled +12V to cooling fan), rated 20A continuous
- Red-Blue "Fuel Pump" wire (ECU-controlled +12V), 20A continuous
- Grey-Black "Ign Sw" wire (to ignition switch)
- Equipped with sealed JPT terminals in the chassis connector (TE Connectivity JPT family), with mating connector specs provided.
- The harness includes multiple dedicated connectors for key components, such as:
- Pedal connector (for DBW pedal): 5V, sensor ground, two analog voltage inputs
- CAN2 connector: for CAN devices like lambda modules, displays, keypads, etc.
- MAP connector: compatible with Link MAP sensors; adapter available for factory LS MAP sensors
- Knock sensor connector: supports up to two knock sensors, with adapters available for Gen 3 or Gen 4 factory sensors
- Alternator connector: for "F Body" alternators; provides exciter/lamp wire to terminal B
- Transmission ("Trans") connector: for reverse switch, DI, or other functions needing cabin signal
- IAC connector: for 4-wire stepper IAC; if no IAC is used, those channels may be used for other functions (boost valve, NOS, etc.)
- TPS connector: for cable-throttle sensors; if using DBW, may be repurposed
- DBW (electronic throttle) connector: for DBW throttle bodies, providing analog inputs, 5V, sensor ground; may be repurposed in cable-throttle engines
Details
A ready-to-go solution to connect a Link ECU to your Gen 3 (LS1 & LS6), Drive-By-Wire LS V8 engine with a Fuse Box & Relay included in the bundle.
Bundle Includes:
- G4X XtremeX ECU (8 x Injector and 8 x Ignition Drives) - 109-4000
- Terminated Engine Harness GM LS GEN3/4* - 101-0300
- LS DBW Adapter Loom - 101-0304
- LS MAP Adapter Harness - 101-0302
- LS Knock Adapter Loom - 101-0305
- Fuse Box & Relay - 101-0310
Brand
Symbol
109-9010B
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