The Haltech NEXUS PD16 (HT-198201) is a sophisticated power distribution module designed to replace traditional fuses and relays with a centralized, solid-state solution. This 16-channel PDM streamlines vehicle wiring, offering precise digital control over electrical circuits while providing advanced circuit protection and diagnostic capabilities for high-performance applications.

This kit includes a 5-meter (16ft) flying lead harness, providing ample length for custom wiring across the chassis. The system utilizes a heavy-duty 120A Surlok connection for the main power feed, ensuring stable current delivery even under high demand. The NEXUS PD16 integrates seamlessly with the Haltech ecosystem via the NSP programming software, allowing for complex logic-based power management.

• Manufacturer Part Number: HT-198201
• Includes Nexus PD16 Power Distribution Module (PDM)
• 16-channel high-current power distribution
• 5m (16ft) Flying Lead Harness for custom installations
• 120A Surlok main power connection hardware
• USB programming cable included
• Compatible with Haltech NSP (Nexus Software Programmer)

Expand the input and output capabilities of your vehicle's control system with the Haltech NEXUS Universal Plug-in I/O Expansion Harness (HT-189002). This 2.5-meter (8ft) harness is designed to interface directly with NEXUS-series units, allowing for the addition of supplemental sensors, solenoids, or switched inputs without the need for complex custom pinning at the primary VCU connectors.

• Provides additional I/O channels for complex engine management and power distribution tasks
• Generous 2.5m (8ft) length allows for flexible routing throughout the engine bay or cabin
• High-quality automotive-grade wiring and connectors for maximum signal integrity
• Engineered specifically for the Haltech NEXUS ecosystem
• Manufacturer Part Number: HT-189002

The Haltech PD16 Flying Lead Harness is an essential wiring solution for installers integrating a PD16 Power Distribution Module into custom builds, race cars, or engine swaps. This 5-meter (16-foot) harness provides a professional-grade starting point, featuring a pre-terminated connector for the PD16 unit and high-quality, color-coded loose wires at the opposite end for flexible routing to your electrical loads and sensors.

Using a flying lead harness eliminates the time-consuming process of sourcing individual pins and crimping main connectors, ensuring a reliable, low-resistance connection for your PDM system. The generous 5m length offers ample reach for mounting the PD16 in the cabin, trunk, or engine bay while maintaining clean wire management throughout the chassis.

• Manufacturer Part Number: HT-188000
• Length: 5m (approx. 16.4ft)
• Connection Type: Flying Lead / Wire-in
• Application: Compatible with Haltech PD16 PDM
• Wiring: Color-coded automotive-grade wire for easy circuit identification

The Haltech HT-186511 is a specialized MAP Sensor Adaptor Harness designed specifically for the NEXUS Rebel LS ECU system. This harness provides a direct, plug-and-play interface, allowing you to integrate a manifold absolute pressure (MAP) sensor into your LS engine management setup without cutting or splicing the main loom.

• Engineered for seamless integration with the Haltech NEXUS Rebel LS series
• Constructed with durable automotive-grade wiring and weather-sealed connectors
• Ensures reliable signal transmission for accurate engine load sensing and manifold pressure monitoring
• Simplifies installation by utilizing factory-style terminations
• Manufacturer Part Number: HT-186511

The Haltech NEXUS Rebel LS Cable Throttle & IAC Sub-Harness (HT-186504) is a specialized wiring solution designed for enthusiasts running a traditional cable-driven throttle body on an LS engine managed by the NEXUS Rebel LS VCU. This sub-harness allows you to bypass electronic drive-by-wire (DBW) configurations in favor of a mechanical throttle linkage while maintaining full idle speed control through the ECU.

• Designed specifically for integration with the Haltech NEXUS Rebel LS VCU main harness.
• Provides plug-and-play connectivity for standard GM-style 3-pin Throttle Position Sensors (TPS).
• Supports 4-wire stepper-style Idle Air Control (IAC) motors for precise idle management.
• Constructed with automotive-grade wiring and high-temperature sleeving for long-term durability in the engine bay.
• Essential for LS swaps utilizing early-style intake manifolds or aftermarket cable-drive throttle bodies.
• Manufacturer Part Number: HT-186504

The Haltech NEXUS Rebel LS EV6 Injector Sub-Harness (HT-186502) provides a direct, plug-and-play connection between your NEXUS Rebel LS VCU and EV6-style fuel injectors. Designed specifically for GM LS engine platforms utilizing EV6 (USCAR) injector connectors, this harness simplifies the wiring process and ensures a secure, weather-sealed connection for your EFI system.

Engineered to withstand the rigors of high-performance engine bays, this sub-harness features automotive-grade wiring and high-quality connectors to maintain signal integrity and injector response. It integrates seamlessly with the Rebel LS main loom, facilitating a clean installation for LS swaps and custom performance builds.

• Specifically for Haltech NEXUS Rebel LS VCU systems
• Compatible with EV6 (USCAR) style fuel injectors
• Modular design for easy installation and serviceability
• High-temperature automotive-grade wiring and protective sleeving
• Manufacturer Part Number: HT-186502

Streamline your engine management upgrade with the Haltech NEXUS S2/S3 Plug-n-Play Adapter Harness (HT-186343). This adapter is engineered to bridge the gap between your vehicle's factory wiring loom and a NEXUS S2 or S3 Vehicle Control Unit (VCU). By utilizing a plug-and-play configuration, it eliminates the need for destructive wire cutting, splicing, or manual pin-out mapping, allowing for a professional-grade installation that maintains the integrity of the OEM harness.

• Designed for seamless integration with Haltech NEXUS S2 and S3 VCU units
• Plug-and-play design prevents damage to the factory wiring harness
• Simplifies installation and reduces troubleshooting time compared to custom wiring
• Built with high-quality automotive-grade connectors for reliable signal transfer
• Manufacturer Part Number: HT-186343

Simplify your engine management integration with the Haltech NEXUS S2/S3 Plug-n-Play Adapter Harness. This specialized wiring solution allows for a direct interface between your vehicle's factory or existing harness and the NEXUS S2 or S3 VCU, bypassing the complexity and risk of custom loom construction. It is engineered to maintain signal integrity while significantly reducing installation downtime and potential wiring errors.

• Direct plug-and-play compatibility for NEXUS S2 and S3 systems
• High-quality automotive-grade connectors and shielding
• Eliminates the need for manual wire splicing, cutting, or pinning
• Maintains professional-grade reliability for street or track use
• Manufacturer Part Number: HT-186331

The Haltech NEXUS R3 Universal Wire-In Harness (HT-183200) provides a professional, streamlined wiring solution for vehicles being converted to the NEXUS R3 VCU platform. Measuring 2.5m (8ft) in length, this harness is designed for custom engine management installations where a vehicle-specific plug-and-play solution is not available. Each wire is color-coded to match Haltech's standard wiring schematics, facilitating a cleaner loom-building process and reducing the risk of wiring errors during integration.

• Designed specifically for the Haltech NEXUS R3 VCU
• 2.5m (8ft) length accommodates various chassis and mounting locations
• Universal wire-in configuration for custom engine swaps and race builds
• Automotive-grade wiring with color-coded leads for easy identification
• Manufacturer Part Number: HT-183200

Streamline your engine management upgrade with the Haltech Elite 2000/2500 Plug-n-Play Adaptor Harness. This harness is designed specifically for the Nissan Skyline R32, providing a direct interface between the factory wiring loom and your Haltech Elite 2000 or 2500 ECU. By utilizing this adaptor, you eliminate the need for time-consuming wire cutting or splicing, ensuring a clean and reversible installation.

• Compatible with Haltech Elite 2000 and Elite 2500 ECUs
• Direct plug-and-play connection to the Nissan Skyline R32 factory engine harness
• Maintains factory loom integrity without permanent modifications
• High-quality connectors and pinning for reliable signal transmission
• Manufacturer Part Number: HT-141357

The Haltech Elite 1000-2500 Plug-n-Play Adaptor Harness (HT-141328) streamlines the transition to a standalone engine management system. This harness provides a direct interface between your factory wiring loom and a Haltech Elite 1000 or 2500 ECU, significantly reducing installation time and complexity by eliminating the need for custom wire-by-wire splicing.

By using this adaptor, you avoid permanent modifications to the original vehicle harness. It is designed to utilize existing factory sensors and actuators for a professional-grade installation that maintains wiring integrity and is fully reversible if the vehicle needs to be returned to stock configuration.

• Direct Integration: Plugs directly into factory ECU connectors and the Haltech Elite 1000 or 2500 ECU.
• Simplified Installation: Removes the labor-intensive process of pinning a universal loom.
• Preserved Integrity: Maintains original wiring loom condition and clean signal paths for factory sensors.
• Manufacturer Part Number: HT-141328

The Haltech Elite 2500 Basic Universal Wire-In Harness (HT-141302) is a professional-grade flying-lead solution for custom engine management installations. Measuring 2.5m (8ft) in length, this harness provides a direct connection to your Elite 2500 ECU, featuring color-coded wiring that follows the standard Haltech schematic for efficient pin-out to sensors, injectors, and ignition components.

As a "Basic" configuration, this harness is specifically designed for builds where a custom power distribution system is already in place. It does not include integrated relays or fuses, allowing experienced installers to wire the harness into their own existing relay blocks or power distribution modules (PDMs).

• Compatible ECU: Haltech Elite 2500
• Length: 2.5m (8ft)
• Harness Type: Universal Wire-In (Flying Lead)
• Power Distribution: No Relays or Fuses included
• Manufacturer Part Number: HT-141302

Fits 1998-2002 Nissan Skyline R34 GTT.

The Haltech Elite 2000/2500 Plug-n-Play Adaptor Harness (HT-141258) provides a professional-grade interface for installing a Haltech Elite series ECU into your Nissan Skyline R34 GTT. This harness allows you to utilize the vehicle's factory engine loom, ensuring a reliable connection without the need for cutting, splicing, or permanent modifications to the original wiring.

• Direct plug-and-play integration with Haltech Elite 2000 and Elite 2500 ECUs
• Engineered to maintain factory engine sensor connectivity and wiring integrity
• Simplifies EFI upgrades and tuning setup while remaining fully reversible
• Manufactured with high-quality connectors for secure electrical contact
• Manufacturer Part Number: HT-141258

This product includes the adaptor harness only; the Haltech Elite ECU and any additional required sensors are sold separately.

The Haltech Elite 2000/2500 Plug-n-Play Adaptor Harness (HT-141233) provides a professional-grade interface between your vehicle's factory wiring loom and a Haltech Elite series ECU. This harness is engineered for tuners and enthusiasts who require a reliable, high-integrity connection without the complexity of a custom wire-tuck or the risks associated with manual wire splicing.

By utilizing factory-style connectors, this adaptor ensures a seamless fit that maintains the integrity of the original electrical system. This plug-and-play architecture significantly reduces installation time and makes the transition to standalone engine management completely reversible, protecting the vehicle's resale value and simplifying future maintenance.

• Compatible with Haltech Elite 2000 and Elite 2500 ECUs
• Direct-fit connectors eliminate the need for cutting, splicing, or repinning the factory loom
• High-quality automotive-grade wiring and shielding for maximum signal integrity
• Simplifies the installation of standalone engine management
• Manufacturer Part Number: HT-141233

The Haltech HT-140960 Plug-n-Play Adaptor Harness provides a professional, non-destructive solution for integrating a Haltech Elite 1000 or Elite 1500 ECU with your vehicle's factory wiring. This harness eliminates the need for wire splicing or custom loom fabrication, allowing for a direct connection between the OEM harness and the Elite series waterproof ECU connectors.

• Precision Engineering: Designed specifically for the Elite 1000 and Elite 1500 engine management systems.
• Seamless Integration: Bridges the gap between factory engine sensors and the Haltech ECU, maintaining signal integrity and reducing the risk of wiring errors.
• Serviceability: Allows for a quick return to the factory ECU setup if required, making it ideal for track-driven street vehicles.
• Durable Construction: Features automotive-grade wiring and high-quality connectors built to withstand the heat and vibration of the engine bay.
• Part Number: HT-140960

The Haltech Elite 1000/1500 Plug-n-Play Adaptor Harness (HT-140840) provides a streamlined solution for integrating an aftermarket ECU into your vehicle's factory electrical system. This adaptor allows for a clean installation of either an Elite 1000 or Elite 1500 ECU by bridging the connection to the original engine loom without the need for permanent modifications, wire cutting, or soldering.

• Engineered for direct compatibility with Haltech Elite 1000 and 1500 series ECUs
• Simplifies installation by utilizing factory-style connectors for a true plug-and-play setup
• Reduces the risk of wiring errors and maintains the integrity of the OEM harness
• Constructed with high-quality terminals and wire for reliable signal transmission under high-performance conditions
• Manufacturer Part Number: HT-140840

Fits Mitsubishi Lancer Evolution IV, V, VI, VII, VIII and 1995-1999 Eclipse/Talon (2G) models.

The Haltech Elite 1000/1500 Plug-n-Play Adaptor Harness (HT-140823) provides a professional wiring solution for installing a Haltech Elite series ECU without modifying your vehicle's factory loom. This harness bridges the gap between the OEM engine harness and the Elite 1000 or 1500, ensuring a secure, high-integrity connection for all sensors and actuators. It is an essential component for tuners looking for a reversible, reliable ECU upgrade for track or high-performance street use.

• Direct plug-and-play installation into factory wiring harness
• Compatible with Haltech Elite 1000 and Elite 1500 ECUs
• Prevents the need for cutting, splicing, or pinning the OE loom
• Constructed with automotive-grade connectors for maximum reliability
• Manufacturer Part Number: HT-140823

The Haltech Elite 750 Premium Universal Wire-In Harness (HT-140604) provides a professional-grade wiring solution for custom engine management projects. Measuring 2.5 meters (8 feet) in length, this harness is designed for installations where a model-specific loom is not available, offering a clean and reliable way to connect your Elite 750 ECU to your engine's sensors and actuators.

This premium harness features an integrated, molded 6-circuit power distribution module. The included fuse box comes with a weather-resistant lid and is pre-configured with the necessary relays and fuses to power the ECU and basic engine functions, while providing spare circuits for auxiliary components such as fuel pumps or fans.

• Length: 2.5m (8ft)
• Includes high-quality firewall grommet for secure cabin pass-through
• Molded 6-power circuit Haltech fuse box with protective lid
• Equipped with 2 relays and 4 fuses
• Includes terminal pins for the 4 spare power circuits
• Manufacturer Part Number: HT-140604

Fits Toyota 2JZ engines utilizing the Haltech Elite 2000 or 2500 ECU.

The Haltech Elite 2000/2500 Terminated Main Engine Harness (HT-130318) provides a professional-grade wiring solution for 2JZ engine management. This pre-terminated loom eliminates the need for complex custom pinning and manual wire termination, offering a direct, plug-and-play interface with the Haltech Elite series ECUs. It is designed to handle fuel injection, ignition, and essential engine sensor signals with maximum reliability in high-performance environments.

• Designed specifically for Toyota 2JZ engine platforms
• Fully compatible with Haltech Elite 2000 and 2500 ECUs
• Pre-terminated for a simplified, professional installation
• High-quality shielding and connectors for signal integrity
• Manufacturer Part Number: HT-130318

The Haltech I/O 12 Expander Box provides a professional solution for increasing the input and output capacity of your compatible ECU via the CAN bus. This module adds 12 independent channels to your system, allowing for the integration of additional sensors, solenoids, and switches without requiring a full ECU upgrade. This specific kit is designated as an "A/B Box," which is essential for enthusiasts running multiple expansion modules on a single CAN network to prevent addressing conflicts.

The included 8ft (2.4m) flying lead harness is designed for custom installations, providing ample length to reach various points in the engine bay or cabin. The harness utilizes high-quality automotive-grade wiring to ensure signal integrity and durability in high-performance environments.

• 4 Digital/Pulsed Inputs (DPI): Ideal for frequency-based sensors or switch inputs
• 4 Analog Voltage Inputs (AVI): For 0-5V sensors like pressure or temperature
• 4 Digital Pulsed Outputs (DPO): For driving solenoids, relays, or warning lights
• 8ft (2.4m) Flying Lead Harness for custom wiring flexibility
• A/B Box addressing for multi-expander configurations
• Genuine Haltech component: HT-049902

The Haltech HT-010727 NTK Wideband Adaptor Harness is a purpose-built solution for integrating NTK wideband sensors into your vehicle's management system. Designed for a direct plug-and-play interface with Haltech Nexus series harnesses, this adaptor eliminates the need for custom pinning or wire splicing, ensuring a secure and reliable signal for critical air-fuel ratio monitoring.

• Direct Compatibility: Engineered specifically for NTK wideband sensors and Haltech Nexus series main harnesses.
• Extended Reach: 1200mm (approx. 47 inches) length allows for flexible routing from the exhaust bung to the electronics bay.
• Plug-and-Play: Factory-terminated connectors for a secure, moisture-resistant connection.
• Reliable Signal: High-quality automotive-grade wiring maintains signal integrity for precise tuning and closed-loop compensation.
• MPN: HT-010727

The Haltech LSU 4.9 Wideband Adaptor Harness (HT-010726) provides a direct, plug-and-play connection between a Bosch LSU 4.9 sensor and your vehicle's wiring system. This harness is specifically engineered to interface seamlessly with Haltech Nexus series harnesses, ensuring a secure and reliable connection without the need for custom terminal pinning or soldering.

• Converts Bosch LSU 4.9 wideband sensor connector to a DTM6 connector
• Compatible with Haltech Nexus series engine management harnesses
• Maintains high-integrity signal transmission for accurate air-fuel ratio (AFR) data
• Durable, automotive-grade construction for long-term engine bay reliability
• Manufacturer Part Number: HT-010726

The Haltech HT-010723 is a 400mm wideband flying lead adaptor harness designed for seamless integration with Haltech Nexus series ECUs. This harness provides the essential electrical pathway for wideband oxygen sensors, enabling the precise air-fuel ratio (AFR) monitoring required for accurate tuning and closed-loop fueling strategies.

• Manufacturer Part Number: HT-010723
• Length: 400mm
• Harness Type: Flying lead adaptor
• Compatibility: Specifically suits Haltech Nexus series ECUs
• Function: Connects wideband sensors to ECU for real-time AFR data

The Haltech HT-010719 Wideband Extension Harness provides 1200mm of additional length for your air-fuel ratio monitoring system. Specifically engineered to interface with Bosch LSU 4.9 sensors, this harness is essential for custom exhaust configurations, rear-mounted turbocharger setups, or any application where the standard sensor lead cannot reach the controller.

Constructed with high-quality automotive-grade wiring and factory-style connectors, this extension ensures a secure, weather-sealed link. It provides a true plug-and-play solution that maintains the integrity of the sensitive wideband signal, eliminating the need for manual wire splicing which can introduce resistance and affect sensor accuracy during tuning.

• Product Type: Wideband Extension Harness
• Length: 1200mm (approx. 4 feet)
• Compatibility: Bosch LSU 4.9 Wideband Sensors
• Manufacturer Part Number: HT-010719
• Connectors: OE-spec weather-sealed plugs

Fits select 2001-2016 Dodge/RAM Cummins, GMC/Chevrolet Duramax, and 2014-2015 Chevrolet Cruze (6.7L / 6.6L).

The Fleece Performance FPE-HAR-RP-EXT provides 18 inches of additional length for harness routing on rail pressure and MAP sensors. This extension is engineered to solve clearance issues and accommodate custom wire management without sacrificing signal integrity. Each harness is produced in-house using fully automated wire cutting and terminal crimping processes to ensure consistent, reliable connections that meet or exceed factory standards.

• Length: 18 inches
• Manufacturing: In-house automated wire cutting and terminal crimping
• Connectors: OE-style terminals for secure fitment
• Application: Rail pressure and MAP sensor extensions
• MPN: FPE-HAR-RP-EXT

Vehicle Compatibility:

• 2003-2012 5.9L/6.7L Cummins (Rail Pressure Sensor)
• 2001-2016 6.6L Duramax (Rail Pressure Sensor)
• 2011-2016 6.6L Duramax (MAP Sensor)
• 2014-2015 Chevrolet Cruze (Rail Pressure Sensor)

Fits select 2007-2020 Dodge and Ram 2500/3500 trucks with the 6.7L Cummins engine.

The Fleece Performance Multiuse Sensor Pigtail 3 provides a reliable, high-quality solution for damaged or corroded factory electrical connectors. This 6-inch pigtail is specifically engineered to restore proper signal transmission to critical engine sensors, including the Exhaust Gas Pressure (EBP) sensor on 6.7L Ram and Cummins ISX applications. Built with durable wire leads and a secure locking connector, it eliminates the common connectivity issues caused by heat and vibration in the engine bay.

• Wire Lead Length: 6 inches
• Application Compatibility: Exhaust Gas Pressure Sensor (Part No. 4928594)
• Cross Reference: Replaces W094230
• Durability: Engineered for extreme engine bay conditions
• Engine Applications: 6.7L Cummins / Cummins ISX
• MPN: FPE-HAR-MU-PT-3

Fits 2015-2019 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD models equipped with the Allison 1000 or 2000 series transmission.

Restore reliable signal communication to your transmission with the Fleece Performance transmission input speed sensor pigtail. Designed as a direct replacement for the factory connector on 2015-2019 GM heavy-duty trucks, this pigtail addresses intermittent connectivity or harness damage that can lead to shifting issues and limp mode. To ensure maximum reliability, Fleece utilizes an in-house automated manufacturing process for precision wire cutting and terminal crimping.

• Engineered specifically for Allison 1000/2000 Series transmissions
• Mates to GM / AC Delco input speed sensor part number 24276402
• Includes two heat-sealable butt-style connectors for a secure, weather-resistant repair
• Fully automated terminal crimping for consistent electrical contact
• Manufacturer Part Number: FPE-HAR-MU-PT-14

Fits select 2017-2022 GM 2500/3500, 4500/5500, and 2017 Cruze models (1.4L).

The Fleece Performance FPE-HAR-MU-PT-1 is a high-quality replacement sensor connector designed to restore electrical integrity where factory harnesses often fail. This 4.5-inch pigtail allows for a clean, secure splice into the existing vehicle wiring, making it an essential repair solution for brittle or corroded connectors on L5P Duramax engines and other GM platforms.

• 4.5-inch pigtail length for flexible installation and splicing
• Replaces OEM Connector 13343443 and AC Delco Connector 13384371
• Durable construction to withstand engine bay heat and vibration
• Multiple application uses including fuel pressure regulators and wheel speed sensors
• Manufacturer Part Number: FPE-HAR-MU-PT-1

Specific applications include the rear wheel speed sensor, alternator signal, and fuel pressure regulator on 2017-2022 L5P Duramax models, the fuel pressure regulator on 2021 Silverado 4500/5500, and the starter motor on 2017 Chevrolet Cruze 1.4L engines.

Fits select 2020-2024 GM vehicles equipped with the 3.0L LM2 or LZ0 Duramax engine.

The Fleece Performance Injector Harness Pigtail provides a reliable, cost-effective solution for repairing damaged or corroded fuel injector wiring. Rather than replacing the entire engine wiring harness, this pigtail allows for a precise repair by splicing into the factory circuit. Designed to meet or exceed OE specifications, it ensures a secure electrical connection to maintain proper injector performance and engine timing.

• Direct replacement for damaged or brittle factory injector connectors
• Simplifies repairs without requiring a full harness replacement
• Compatible with both LM2 and LZ0 Duramax engine variants
• Manufacturer Part Number: FPE-HAR-LM2-INJ-12P-PT

Fits 2017-2022 Chevrolet Silverado and GMC Sierra 2500/3500 HD models equipped with the 6.6L L5P Duramax engine.

Address a frequent failure point on the L5P Duramax with this Fleece Performance fuel injector connector kit. Over time, factory connectors are prone to increased resistance which often results in injector-related diagnostic trouble codes (DTCs P0201 through P0208). These connectors are a standard replacement item during fuel injector service to ensure consistent electrical conductivity and long-term reliability.

Each pigtail is produced using a fully automated wire cutting and terminal crimping process to maintain tight tolerances and professional-grade quality. The kit includes heat-sealable butt-style connectors to provide a weather-tight repair that resists vibration and corrosion in the harsh engine bay environment.

• Replaces GM part number: 19368140
• Pigtail length: 4.5 inches
• Includes 8 replacement pigtails and heat-sealable butt connectors
• Automated terminal crimping for maximum reliability
• Manufacturer Part Number: FPE-HAR-L5P-INJ-PT-8P