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