Gm Tbi Wiring Conversion Diagram

Three wire connection to ecm plus manifold vacuum gm p n 2131545 16137039 16017460 delphi ps10076 widely used throughout gm prior to 1995 do not get one off a super or turbo charged engine or from pre tbi cars such as the 307 olds engine.

Gm tbi wiring conversion diagram. Typically technical support is limited to the customer with only a harness purchase due to the complexity of variables we have no control over. Basic connections are standard but it is easy to customize one for your needs. I jumped on ebay and starting bidding. Wire harness can be pulled from the factory car and reworked for a conversion.

There will be a lot of extra things don t worry about them now grab it all as whole as you can. It turned out that people are putting gm tbi units everything from jeeps to land cruisers. I ended up with a complete system from a 91 305 camaro for about 140. This makes the process of building circuit simpler.

It included the tbi unit the intake manifold the ecm computer the distributor the wiring harness and most of the sensors. The beauty of the tbi systems used on the small block chevy and the 4 3 v6 is that the systems all work basically the same and gm has kept the wiring the same so there no real need to have the exact wiring diagram for the system you are installing. Although just a small number of cars were equipped with tbi in 1987 this changed very rapidly in 1988 when it was introduced on the f bodies camaro and. On the other hand this diagram is a simplified variant of this arrangement.

This is a basic tbi harness for all engines using ecm 1227747 and 1228746 type ecm many others can be used. First you need to go to junk yard and pull the engine efi harness or complete system if you can. 92 gm tbi wiring harness diagram manual e books tbi wiring harness diagram. The 454 is larger with close to 2 inch bores.

This page is dedicated to the owners of these vehicles equipped with gm s dual point fuel injection model 220 tbi. The injectors are different sizes. The diagram provides visual representation of the electric arrangement. It is recommended a tbi from about the same size engine to be used in your conversion or larger for high performance built engines.

They are mdp manifold differential pressure sensors output is opposite manifold vacuum.