Custom Ls1 Wiring Harness

Speartech also provides ecm programming including e38 e67 e40 e92 ls lt engine wiring harness reworks and conversion adapters and programming. Description our direct fit custom wiring harnesses are plug and play custom built and designed specifically for your project utilizing a 94 97 lt1 4 or 97 up lsx or vortec small block. We offer ls lt swap harnesses for all gen 3 4 and 5 ls lt engines including ls1 ls2 ls3 ls6 ls7 lsa ls9 gen 5 v8 lt1 lt4 lq4 lq6 l99 vortec variants dod vvt afm.

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These harnesses can range from 350 to 1 000 depending on what loom is used turn around time and how elaborate your customizations are.

Custom ls1 wiring harness. Speartech is your ls lt wiring harness swap specialist. Battery ground ignition and fuel pump. Electrical connections to your project are. It was modeled on the actual ls1 engine and is race proven to perform in challenging conditions.

All psi harnesses are made in the usa. Psi sells standalone wiring harnesses for gm gen ii iii iv v ls lt based engines and transmissions. Last but certainly not least many companies will construct custom wiring harnesses for a multitude of applications. Each harness is built from scratch specifically for your engine and vehicle combination.

Each harness is custom made per order and all unnecessary peripheral smog related components have been removed. The wiring specialties pro series ls1 wiring harness is a brand new tucked plug and play harness that was designed and tested by our in house experts specifically for any classic chevy non efi chassis or race car with an ls1 engine swap. Gm ls1 ls2 ls3 engine wiring harness 999 00 4a ge 20v blacktop silvertop harnesses 649 00 1jz soarer or chaser engine to 2jz ecu patch conversion harness 289 00. Connect these 4 wires and your engine will run.

These harnesses include the gen ii lt1 lt4 gen iii 24x ls1 ls6 and vortec truck engines as well as gen iv 58x ls2 ls3 ls7 vortec and gen v lt ecotec3 engines. The engine harness has only 4 wires to connect battery ignition ground and fuel pump.