Haltech NEXUS S3 Plug-n-Play Adapter Harness

SKU: HT-186367 / UPC: 9356450015370

Haltech Nexus S3 Plug 'n' Play Adapter Harness for Toyota 1JZ-GTE VVT-i JZX100 Models

The Haltech Nexus S3 Plug 'n' Play Adapter Harness HT-186367, designed specifically for seamless integration into JDM vehicles equipped with the 1JZ-GTE VVT-i engine and manual transmission. This harness connects directly to your Haltech Nexus S3 ECU, plugging into the factory wiring without any cutting or splicing required, which means faster installation and fewer risks during the process. It unlocks full access to the ECU's capabilities, providing exact control over fuel delivery and ignition timing to support higher power outputs and consistent performance across all driving conditions. For owners of performance-modified Toyotas, this setup delivers reliable signal transfer and supports advanced tuning options that adapt to modifications like turbo upgrades or cam changes, ensuring your engine runs efficiently without factory limitations.

Precise Vehicle Fitment

This adapter harness fits the following JDM Toyota models with 1JZ-GTE VVT-i engines and manual transmissions:

• Toyota Mark II JZX100: 1996–2000
• Toyota Cresta JZX100: 1996–2000
• Toyota Chaser JZX100: 1996–2000
• Toyota Soarer JZZ30: 1996–2001

Note: Installation will disable the factory Traction Control (TRC) and Electronic Throttle Control System (ETCS), which may illuminate warning lights on the dashboard. Removing the TRC and ETCS bulbs is advised for a clean gauge cluster. This product is intended for off-road or competition use only, in compliance with local regulations verify emissions laws in your area before installation.

What's Included in Your Purchase

Every Haltech HT-186367 kit comes complete with:

• Injection-molded plastic plug 'n' play adapter harness for direct ECU-to-factory connection
• M14 x 1.5 air temperature sensor, complete with matching plug and pins
• Auxiliary I/O 16-pin Tyco plug and pins for expanded sensor and output connections

Part number: HT-186367

UPC: 9356450015370

Technical Specifications

• Part Weight: Approximately 4 lbs (shipping dimensional weight)
• Shipping Box Dimensions: 8.50 cm width x 3.00 cm height x 13.50 cm depth

This compact, durable harness installs in just a few hours using the included quick start guide, making it the direct path to enhanced engine control for your 1JZ-GTE setup. Pair it with a Haltech Nexus S3 ECU to experience precise tuning that handles real-world demands, from track sessions to daily drives in modified vehicles. Order the HT-186367 today and get your Toyota running at its full potential.