Sniper 2 Main Harness w/Fuel Pump Relay

The Sniper 2 Main Harness w/Fuel Pump Relay is the backbone of any Holley Sniper 2 EFI conversion, engineered for serious engine builders and performance enthusiasts who demand reliable fuel delivery and electrical integration. This complete wiring harness serves as the central power distribution hub for your fuel pump relay and main battery circuit, eliminating the guesswork from custom EFI installations. Whether you're retrofitting a carbureted classic or building a modern fuel-injected engine swap, this main harness ensures consistent voltage delivery and proper fuel system sequencing from cold start through full-throttle operation.

Built by Holley with OEM-grade connector quality and reinforced wire gauge sizing, the Sniper 2 Main Harness handles the high current demands of fuel pump motors and ignition systems without voltage drop or heat buildup. The integrated fuel pump relay module provides intelligent power management—preventing fuel surge at startup and protecting your pump motor from premature wear caused by voltage spikes. Compact at 1.84 lbs and designed for tight engine bay routing, the harness features color-coded leads and industry-standard connectors that work seamlessly with Sniper 2 ECU configurations, eliminating the need for custom splicing or adapter wiring.

This harness is essential for anyone installing a Sniper 2 EFI system on a street car, street rod, or race engine where clean, organized wiring is non-negotiable. Professional installers and dedicated DIY builders rely on the Sniper 2 Main Harness to reduce installation time, minimize troubleshooting, and ensure your fuel system fires reliably lap after lap or mile after mile. Pair it with a quality battery relocation kit and proper grounding for maximum performance and zero fuel delivery surprises.