Overview The Elite 2000/2500 Universal I6 Cylinder IGN-1A ignition harness delivers precision spark timing control for inline-six engines, from classic RB25/RB26 builds to modern 2JZ-GTE conversions. Purpose-built for Haltech's flagship Elite ECUs, this harness eliminates the complexity of custom wiring whilst providing the reliability demanded by high-performance six-cylinder applications. Technical Specifications Part Number: HT-130337 Configuration: Six-cylinder ignition harness ECU Compatibility: Elite 2000/2500 series Ignition Control: IGN-1A individual coil outputs Construction: Haltech OEM-grade wiring and connectors Why You Need This Six-cylinder engines demand precise ignition timing across all cylinders to unlock their full potential, whether you're building a 500hp street RB25DET or a 1000hp 2JZ drag car. The Elite's individual cylinder ignition control allows for cylinder-specific timing adjustments — critical when dealing with uneven fuel distribution in turbo applications or compensating for manufacturing tolerances in rebuilt engines. Without proper ignition harness design, you'll face voltage drop, EMI interference, and the nightmare of troubleshooting misfires that could be wiring-related rather than tuning issues. This Universal I6 harness solves the complexity of connecting six individual ignition outputs from your Elite ECU to modern coil-on-plug setups or conventional distributor-less systems. The IGN-1A configuration provides the current capacity needed for high-energy coils whilst maintaining the signal integrity essential for accurate timing control. We've seen too many promising builds compromised by inadequate ignition wiring — this harness ensures your Elite ECU can deliver the precise spark control these engines deserve. ECU & System Compatibility Designed specifically for Haltech Elite 2000 and Elite 2500 ECUs, providing direct connection to the ECU's IGN-1A ignition outputs. The universal design accommodates various I6 engine platforms including Nissan RB series, Toyota 1JZ/2JZ, BMW M54/N54, and Ford Barra engines. Contact our team to confirm optimal setup for your specific engine and ignition system configuration. What's in the Box Elite 2000/2500 Universal I6 Cylinder IGN-1A ignition harness Six individual ignition output connectors ECU connection harness with proper shielding Technical installation documentation Complete Your Build Most customers completing an Elite I6 installation also add a matching fuel injector harness and engine management sensors for a complete conversion. Our technical team can recommend the optimal sensor package for your specific platform — whether you're retrofitting EFI to a classic or upgrading from factory management. With our UK stock and pre-sales consultation, we'll ensure you have everything needed for a successful first start.
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