Gm Tbi Swap Wiring Diagram
It turned out that people are putting gm tbi units everything from jeeps to land cruisers.
Gm tbi swap wiring diagram. Basic connections are standard but it is easy to customize one for your needs. 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. 1992 95 tbi wire harnesses. I jumped on ebay and starting bidding.
One of the most popular efi conversions to older chevy engines or any engine for that matter is the gm tbi system using the 1227747 ecm. The device replicates a signal to the computer. First you need to go to junk yard and pull the engine efi harness or complete system if you can. Typically technical support is limited to the customer with only a harness purchase due to the complexity of variables we have no control over.
Painless wiring makes the conversion from carburetor to tbi real easy with there fuel injection wiring harness and a parts list of everything you need to make the switch. Tbi wiring harness conversion. This is a basic tbi harness for all engines using ecm 1227747 and 1228746 type ecm many others can be used. Take the fear out of electronic fuel injection.
All un needed emissions. Tbi fuel injection conversion using a gm tbi efi system. I ended up with a complete system from a 91 305 camaro for about 140. The computer still thinks its receiving the correct pulse.
Each new harness contains in depth application specific instruction sheets clearly marked factory gm connectors labeled gxl jacketed wire gm color coding and pre fitted corrugated slit loom for an extra value and professional look. The wire harness above is for the application years 1986 91 pre 4l60e. There will be a lot of extra things don t worry about them now grab it all as whole as you can. These engine wiring harnesses are designed to make your engine transplant effortless.
It included the tbi unit the intake manifold the ecm computer the distributor the wiring harness and most of the sensors.