Psi sells standalone wiring harnesses for gm gen ii iii iv v lslt based engines and transmissions. Enclosed is some wiring diagrams of the factory harness and a power module system diagram.
Lt1 4l60e 24x Conversion Standalone Swap Harness
Lt1 wiring harness and computer. 1994 1997 lt1 lt4 stand alone engine harness our stock harnesses are 4 feet from the rear of engine passenger side. All psi harnesses are made in the usa. And make it a complete no codes run. This harness will not work with 92 93 ecms. All psi harnesses are made in the usa. Familiarize yourself with the pcm connectors wire color and pin locations.
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. This is all you need for stand alone. Built from scratch stand alone engine harness. An engine management harness is pretty much what you will find from most wiring harness companies. Psi sells standalone wiring harnesses for gm gen ii iii iv v lslt based engines and transmissions. Lt1 wiring can take your existing harness and convert it to our 4 5 wire run harness.
We offer lt1 wiring harnesses specifically for the 1994 1995 engines. We offer pcm reprogramming with the purchase of our lt1 wiring harness. Pcm to disable the anti theft and traction control. Here is a description of the wires from the pcm connectors that will connect to an external connection outside the wiring harness. 2004 pontiac gto wiring harness info wiring harness info specific to the 2004 gto ls1. This harness is designed for 1992 1997 57l lt1lt4 43l v8 l99 engines with a 4l60e transmission using a 94 97 ecm.
The typical ecmpcm number is 16188051. These engines and transmissions were factory equipped in camaro firebird corvette roadmaster impala and caprice. This includes installation of new fuel pump relay and high current waterproof cooling fan relay data link connector vats bypass and delete emissions if applicable or complete california emissions compliant. Available options transmission electric fans air conditioning and upgraded braided loom. Diagrams for the 92 and 93 corvette pcms are not included but tech support is available via email. Includes engine transmission no emissions blue connector c1.
If this is what you have then we can get you going. Pin 33 purple tcc brake switch this wire tells the pcm when you hit the brakes. Basically it contains all of the necessary functions to make the engine start and run while also supplying any necessary signals from the computer such as speedometer and check engine light control. 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. Please call for custom ecm andor fuse box location extra length. 1998 to 2002 camarofirebird harness wiring info new pcm pinout info specific to 98 99 02 f body.
Gallery of Lt1 Wiring Harness And Computer
