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. All psi harnesses are made in the usa.
94 97 Lt1 Lt4 Stand Alone Engine Harness Cpw Lsx
Lt1 wiring harness and computer. 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. Please call for custom ecm andor fuse box location extra length. Enclosed is some wiring diagrams of the factory harness and a power module system diagram. We offer lt1 wiring harnesses specifically for the 1994 1995 engines. 1998 to 2002 camarofirebird harness wiring info new pcm pinout info specific to 98 99 02 f body.
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. Pin 33 purple tcc brake switch this wire tells the pcm when you hit the brakes. Psi sells standalone wiring harnesses for gm gen ii iii iv v lslt based engines and transmissions. 1994 1997 lt1 lt4 stand alone engine harness our stock harnesses are 4 feet from the rear of engine passenger side. And make it a complete no codes run. This harness is designed for 1992 1997 57l lt1lt4 43l v8 l99 engines with a 4l60e transmission using a 94 97 ecm.
All psi harnesses are made in the usa. Available options transmission electric fans air conditioning and upgraded braided loom. The typical ecmpcm number is 16188051. 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. Lt1 wiring can take your existing harness and convert it to our 4 5 wire run harness. Built from scratch stand alone engine harness.
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. Pcm to disable the anti theft and traction control. If this is what you have then we can get you going. These engines and transmissions were factory equipped in camaro firebird corvette roadmaster impala and caprice. This harness will not work with 92 93 ecms.
Familiarize yourself with the pcm connectors wire color and pin locations. Psi sells standalone wiring harnesses for gm gen ii iii iv v lslt based engines and transmissions. We offer pcm reprogramming with the purchase of our lt1 wiring harness. An engine management harness is pretty much what you will find from most wiring harness companies. 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.
Gallery of Lt1 Wiring Harness And Computer
