Take complete control of your engine with HP Tuners’ first standalone ECU, the CORE ECU. Engineered for performance enthusiasts and professionals alike, CORE ECU offers advanced tuning features like real-time adjustments, 16 injector support, and full data logging. Whether you’re building a high-performance drag-car, road racer, drift car or resto-mod, CORE ECU is built to deliver precision, power, and reliability.

Key Features:

• Supports up to 16 injectors and 8 coil packs
• Sequential fuel injection support
• Optional flex fuel integration
• Dual throttle body capability
• Built-in dual wideband controller for accurate air-fuel ratio monitoring
• Real-time tuning support with new VCM Live Software
• Data logging up to 150 channels at 1 kHz
• Advanced boost, nitrous, and launch control
• CAN bus support for seamless communication with external devices
• Motorsports-grade performance

Current Engine Support:

• Gen 3 LS Engines (Drive-by-Cable)
• Gen 4 LS Engines (Drive-by-Wire)
• More engine support coming soon!

MORE ON CORE ECU

CORE ECU Wiring Harness Options

To complement your CORE ECU, HP Tuners offers a range of harnesses for seamless integration with your engine. These harnesses are designed for both simplicity and durability, ensuring reliable connections for sensors, triggers, and more. Whether you need a plug-and-play solution or a custom setup, our harnesses are built to meet your specific needs.

Product Resources

Need more technical details? Find all the resources you need, including setup guides, wiring diagrams, and installation manuals.

• CORE ECU Installation Guide
• CORE ECU Parameter Guide
• VCM Live Software Download
• VCM Live Help Documentation

Emissions Compliance

CORE ECU is intended for use in exempt vehicles such as pre-emissions motor vehicles and documented competition vehicles that are exclusively for track use and not driven on public roads. HP Tuners does not condone the misuse of its products. All users are required to register their CORE ECU and identify the vehicle application before installation and use. Misuse of the CORE ECU will void the warranty. Learn more about Emissions Compliance. 

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HP Tuners is thrilled to offer CORE ECU main harnesses covering multiple engines. Designed in-house, our engineers focused on routing, shielding, and layouts that will work for a variety of applications.

LS Engine Wiring Harnesses:

Gen III Terminated Harness (Drive By Cable)

Intended for early (Gen III) LS Engines, this main harness has several unique features that make it perfect for routing on cable-driven applications. Highlights include:

• For Drive-By- Cable (DBC) Throttle Body Application
• Cam Sensor Located on Rear of Engine
• Dual Bosch 4.9 LSU Sensor Connectors
• MAP Sensor Can Be Routed to Front or Rear of Engine
• 20 Pin Input/Output Expansion Connector (For Use with Sub Harnesses Listed Below)
• Knock Sensors Routed to Engine Valley
• EV6 Injector Connectors (EV6 to EV1 Adapters Sold Separately)
• Pre-Terminated CAN Connectors
• Can Be Paired w/ Optional GM Transmission Harness (Part of The Above Uses for Expansion Connector)

Gen IV Terminated Harness (Drive By Wire)

Intended for late (Gen IV) LS Engines, this main harness has several unique features that make it perfect for routing on drive-by-wire applications. Highlights include:

• For Drive-By-Wire (DBW) Throttle Body Application
• Cam Sensor Located on Front of Engine
• Dual Bosch 4.9 LSU Sensor Connectors
• MAP Sensor can be routed to front or rear of engine.
• Knock Sensors on the side of the engine block.
• 20 Pin Input/Output Expansion Connector (For Use with Sub Harnesses Listed Below)
• EV6 Injector Connectors (EV6 to EV1 Adapters Sold Separately)
• Pre-Terminated CAN Connectors
• Can Be Paired w/ Optional GM Transmission Harness (Part of The Above Uses for Expansion Connector)

Flying Lead Harness

Intended for customers who want a completely custom harness, this kit includes four (4) ECU connectors and several section of wiring (15-ft. length). Highlights include:

• Four AMP ECU Connectors w/ Included Cavity Plugs
• Wiring – Color Coded 15-ft. Lengths
• Instructions w/ Connector Diagrams (Written for Experienced Users)

NOTE: Tech Support will be limited on Flying-Lead Harness Applications, it is the customer’s responsibility to ensure that best wiring practices are followed. Purchases are sold as-is. Connector diagram/instructions are written for users with wiring experience.

Sub-Harnesses

GM 4L60E / 4L80E Transmission Harness

This harness provides a single harness for GM 4L60E and 4L80E Transmissions. No wiring changes or pin relocation required. Easily upgrade to a four-speed automatic transmission with this plug & play solution.

Input / Output Expansion Harness

This harness provides a flying lead solution to customers who want to add additional I/O to their install. Easily wire-in extra sensors, cooling fans, electric pumps, and more.

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