1996 to 1999 vortec 43505774l harness schematics and info. This harness includes all wiring that is needed by the computer to run and control the injection system and transmission.

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Lt1 stand alone wiring harness diagram. This is known as our grafting service or graft. 1999 2002 are very similar. This typically means this wire is needed or very useful in a stand alone harness setup. Lt1 w 4l60e standalone wiring harness psi. Gen v lt1 lt4 l83 l86 stand alone harness quantity. This harness is designed to be a complete wiring system for the fuel injection system on general motors 1992 and newer lt1 injected engines and to control the 4l60e transmission.
Gm lt1lt4 ecotec3 2014 wiring harnesses ecms products and accessories. Gen v stand alone wiring harnesses. Lt1 wiring harness mod how to gen i ii chevy v8 tech. Available options transmission electric fans air conditioning and upgraded braided loom. Amazon lt1 wiring harness. Speedway lt1 engine wiring harness.
94 97 lt1 lt4 stand alone engine harness cpw lsx. Ls2 lh6 24x stand alone engine harness for e40 ecu 59900 79400. All psi harnesses are made in the usa. Lsa ls9 ls2 ls3 stand alone engine harness for e67 ecu 59900 79400. Around 2001 the engines no longer had egr so that does away with 5 wires. Here are just a few services lt1 wiring offers.
1992 to 1997 lt1 57 and l99 43 wiring harness info includes. Wiring harness information lt1 swap. 1999 to 2007 vortec 485360 harness wiring info tons of info here please read all the pages linked. Psi sells standalone wiring harnesses for gm gen ii iii iv v lslt based engines and transmissions. These harnesses include the gen ii lt1lt4 gen iii 24x ls1ls6 and vortec truck engines as well as gen iv 58x ls2 ls3 ls7 vortec and gen v lt ecotec3 engines. 2007 to 2009 vortec 48536062 harness information new harness modification info added 1162012.
Lt1 power module wiring diagram and insructions. All psi harnesses are made in the usa. 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. Gm lt1 products. 1994 1997 lt1 lt4 stand alone engine harness our stock harnesses are 4 feet from the rear of engine passenger side. Psi sells standalone wiring harnesses for gm gen ii iii iv v lslt based engines and transmissions.
Info is more complete for 1999 2000. Please call for custom ecm andor fuse box location extra length. These harnesses are made to order please allow 6 weeks for. These harnesses include the gen ii lt1lt4 gen iii 24x ls1ls6 and vortec truck engines as well as gen iv 58x ls2 ls3 ls7 vortec and gen v lt ecotec3 engines. Stand alone rewiring service. C2 information is in these links.
We will require both harnesses from both engines. Complete wiring of any lt1 ls1 ls2 vortec and most any gm fuel injected engine to any gm car made from 1980 to 2008. Later years should be similar use circuit s to compair. Camarofirebird corvette capriceimpala roadmaster.