The wire harness above is for the application years 1986 91 pre 4l60e. First you need to go to junk yard and pull the engine efi harness or complete system if you can.
Tbi Wiring Harness
Tbi stand alone harness. 1985 1992 throttle body injection tbi standard length harnesses are 54 from the back of the engine to the pcm connectors. No egr or emissions connections tbi 245. Painless kits provide you with complete wiring harnesses to install a stand alone closed loop system. My question regards converting the harness to a stand alone tbi system for my buggy yes v 8 chev i tried to search for a previous post on the subject but didnt find any. This harness takes care of the headaches involved with installing tuned port injection on most all sbc engines or swapping a tpi engine into your vehicle and makes for a much easier installation. The computer still thinks its receiving the correct pulse.
Warranties this harness is covered under warranty for the lifetime of the original owner against defects in workmanship within the wiring harness only not time or any damage in result of defective workmanship of the wiring. Ive got an 88 suburban tbi 350 i have the whole truck more or less. Gm mpi products gm tpi products gm cpi products gm lt1 products 1992 1997. Basic connections are standard but it is easy to customize one for your needs. If anyone can help it would be greatly apreciated. Gm lt1lt4 products 2014 gm ecotec3 products 2014 gm lt1lt4 ecotec3 2014 wiring harnesses ecms products and accessories.
Complete with the wiring for emissions and vss. 1992 95 tbi wire harnesses. Tbi wiring harness conversion. 1985 1990 tbi stand alone wiring harness that use the ecm with service number 1227747 these include the aldl data port for obd1. They also include a fuse block and connections for the 700r4 transmission. All kits include oem color coded txl 600 volt125c wire for easy identification foolproof connectors instruction book with diagrams and a factory help line.
The device replicates a signal to the computer. This is a basic tbi harness for all engines using ecm 1227747 and 1228746 type ecm many others can be used. Typically technical support is limited to the customer with only a harness purchase due to the complexity of variables we have no control over. Our harnesses are all made with top of the line copper strand wire. Howell efi complete gm based universal tbi kits accessories. There will be a lot of extra things dont worry about them now grab it all as whole as you can.
Tuned port injection stand alone efi wiring harness. We also have a device that will allow you to delete the vss circuit.