This Plug'n'Play ECU solution is designed for GM GEN III LS1 and LS6 engines equipped with non-drive-by-wire throttle setups. The Elite 2500 ECU provides advanced engine management and tuning capabilities for high-performance builds. Paired with a terminated engine harness, this kit dramatically simplifies the wiring process for engine swaps and race car builds.

Key Features

• Vehicle Compatibility:

  • GM GEN III LS1 and LS6 engines

  • Manual transmission only

  • Suits common US-style Delco/Bosch GM alternator connectors

  • Pre-wired for OEM 7-pin coil harness connector

  • Ready for WBC1/2 CAN O2 Wideband Controller (controller and sensor not included)

• Simple Integration:

  • Plug-and-play terminated harness with labeled wires

  • Includes firewall grommet and integrated fuse block for quick setup

Included Components

• Haltech Elite 2500 ECU with DBW and Race Functions

• Terminated Engine Harness (non-DBW configuration)

• USB Programming Cable

• Quick Start Guide

• ECU Software and Full Manual (on included USB or CD)

Note:

• Please confirm alternator connector compatibility—adaptors HT-040090 or HT-040091 may be required.

• Ignition coils and coil harnesses are not included. Recommended parts: 8x HT-020102 and/or HT-045657.

ECU Capabilities

• Drive-by-Wire Control (DBW compatible with proper sensors/wiring)

• Flex Fuel Support with dynamic tuning based on ethanol content

• Dual Knock Sensor Input and Dual-Bank Closed Loop O2 Control

• Variable Camshaft Control (up to 4 cams independently)

• Auto-tune and Long-Term Learning for fuel, ignition, boost, and idle

• Advanced Launch Control, Rolling Anti-Lag, and Traction Control

• Sequential Turbo and Nitrous Control (up to 6 stages)

• Boost by Gear, Speed, RPM, and more

• Data Logging: Internal (2MB) + Real-Time to Laptop

• Dual CAN Bus: Haltech dashes and OEM CAN/OBDII compatibility

• Up to 45 channels of input/output expansion

Advanced Tuning Functions

• Tuning resolution: up to 32 x 32 x 8

• Multi-dimensional 4D mapping with per-cylinder corrections

• Inputs for ride height, EGT, shock travel, race timing, etc.

• Optional Torque Management for high-level drag racing control

• Multiple timers and logic-based programming for complex tuning strategies

Harness Benefits

• Clean, simplified installation

• Direct integration with factory ignition and sensor components

• High-quality automotive-grade connectors and shielding

• Future expandability with optional CAN-based modules

Vehicle Applications

• GM GEN III LS1 & LS6 Engines

• Non-drive-by-wire throttle systems

• Manual transmissions only