Our stock harnesses are 4 feet from the rear of engine passenger side.
Ls3 wiring harness and computer.
Harness images shown are sample images.
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.
Speartech is your ls lt wiring harness swap specialist.
The are built with new gm delphi connector and high temperature wires.
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.
The wiring harness lengths are designed so you can mount the ecm under the dash.
Ls2 ls3 gen iv dbc wiring harnesses lsx injector adapters sikky lsx swap mount kits ls2 gen iv 24x dbw wiring harnesses lsx gen iii to iv sensor conversion adapters isr 350z lsx swap parts ls3 gen iv 58x dbw wiring harnesses lsx o2 sensors extensions.
All of these options from re pinning your original wiring harness to purchasing a complete standalone operating system come with different individual costs and level of complexity.
Ls crate engine computer harness.
Ecu with turn key calibration.
Ls3 6 2l 480 hp crate engine with computer and harness.
Psi sells standalone wiring harnesses for gm gen ii iii iv v ls lt based engines and transmissions.
Please call for harness package with programmed computer and pedal 1095.
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.
Ls gen3 24x standalone harness 495 00 swap specialties 24x standalone wiring harness for gm gen3 4 8 5 3 5 7 and 6 0l engines have proven to be the best harness on the market today.
Speartech also provides ecm programming including e38 e67 e40 e92 ls lt engine wiring harness reworks and conversion adapters and programming.
Available options transmission electric fans air conditioning and upgraded braided loom.
All psi harnesses are made in the usa.
Actual product may vary.
Psi standalone wiring harness har 1071 is a complete plug and play harness designed for your 2008 2015 ls3 6 2l engine using a 6l80e 6l90e auto trans.
Please call for custom ecm and or fuse box location extra length.
Hopefully you can find guidance or at least some clarity in what options are available and make a decision that best fits your application and budget.
This includes the computer wiring harness mass airflow sensor maf oxygen sensors and if the engine is drive by wire the gas pedal and throttle actuator control tac module.
Custom marine grade wiring harness.
