Wiring Specialties Pro Series Vortec Engine Wiring Harnesses

Wiring Specialties Pro Series Vortec Engine wiring harnesses offer the best in aesthetics, weight savings, and reliability. Designed specifically for your Vortec equipped ride, these harnesses look as good as they function—and installation is simple and efficient! Check out the features and benefits, then completely replace your old harness and forget about electrical gremlins—thanks to Wiring Specialties Pro Series harnesses. Pro Series features and benefits: * Plug-and-play installation: The engine requires only 3 wires to be connected—starter signal, ignition signal, and fuel pump * No cores and additional wiring required * Integrated coil pack harnesses included * Standalone 5-circuit Bussmann Fuse/Relay Block provided, no connections to OEM fuse boxes required * Circuits provided: Ignition, Fuel Pump, Fan1, Fan2 and A/C relay * Proper gauge wiring support for dual, 30 amp, PCM-controlled cooling fans * Point-to-point digital test on every wire * Constructed using OEM connectors and TXL Automotive wire with OEM colors * Made with high temp TXL wire (-40C to +125C operating temperature) with adhesive shrink tubing * ThermaShield 1,200F Aluminum/Fiberglass connector protection provided for knock sensors * Wrapped in lightweight nylon loom with -94C to +257C operating temperature * Integrated transmission harnesses which allow for more customization when selecting options like ECU, injector, and AFM connectors * High-temperature braided sleeving are built to exceed OEM specs for wire temperature rating, quality, and power/ground routing * The harnesses are designed from the ground-up for performance, optimization, and modularity, plus they're "tucked" for a clean professional appearance * Developed in-house on actual engines to ensure a perfect fit to the engine and chassis * Wiring Specialties use an OEM-style wiring construction process—utilizing hydraulic crimping machines that crimp wire and terminals with over 2000 lbs. of force * All harnesses undergo a wire-to-wire electronic test after assembly, to ensure that no wire pinout mistakes were made during assembly Show Less