5 3 Standalone Wiring Diagram. Wiring Harnesses for Fuel Injected GM Chevrolet engine swaps - Stand Alone Wiring Harness for Gen I small block Fuel Injection Gen II Gen III and Gen IV LS-3 and Vortec V8 applications - Throttle Body Tuned Port LT-1 LS-1 and Ls-x Vortec Fuel Injected engines including LS-2 LS-6 57 and 60 and 48 53 60 81 Vortec and Direct Injection GM car truck and SUV engines 2014 to. GM MPI Products GM TPI Products GM CPI Products GM LT1 Products 1992-1997 GM Tuned Port Multiport Central Port Early LT1 Wiring Harnesses ECMs Products Accessories.
EDIT if any of my viewers need a harness. If I show a wire and your harness does not have it you probably dont need it anyway. General Electronic Typical Wiring Diagram Np 26687d.
We use the highest quality wire brand new OEM connectors weatherproof fuse and relay box.
GMs newest and most potent engine platform is the Gen5 Engine found in V8 vehicles from 2014 and newer. PSI sells Standalone Wiring Harnesses for GM Gen II III IV V LSLT based engines and transmissions. Each harness is also Dyno run and tested before we send it out to you. We hand build every harness to fit exactly what your project needs and they actually form fit on the engine to make your wiring look and perform perfectly.