I can help i would hope after doing a couple now. It included the tbi unit the intake manifold the ecm computer the distributor the wiring harness and most of the sensors.
Ramchargercentral Com Articles Dodge Tbi Conversion
Tbi conversion wiring diagram. The 454 is larger with close to 2 inch bores. 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. Using the pinout diagrams identify the circuits you want to keep. I downloaded several pinout charts and wiring diagrams and began studying every detail. First you need to go to junk yard and pull the engine efi harness or complete system if you can. I have diagrams for a 93 tbi 350 the engine conversion book from jegs that run various other wiring resources and of course my conversion as an example so let me know what you need to know and where you are on the project.
Basic connections are standard but it is easy to customize one for your needs. It is recommended a tbi from about the same size engine to be used in your conversion or larger for high performance built engines. Its also a lot of work. Generic tbi fuel injection block diagram acronyms individual components and their function schematic diagram the actual installation theory and modes of operation calibration equipment variables the subject of this session is throttle body fuel injection. It much more economical to use a factory tbi wiring harness from the wrecking yard donor vehicle or ebay. Wire harness can be pulled from the factory car and reworked for a conversion.
There will be a lot of extra things dont worry about them now grab it all as whole as you can. You must identify the connections wires youll need and get rid of the rest. The injectors are different sizes. I jumped on ebay and starting bidding. It is not too bad i would the g van harness as mentioned. Tbi wiring harness conversion.
I ended up with a complete system from a 91 305 camaro for about 140. A stock harness has a ton of circuits you wont need for a conversion. Typically technical support is limited to the customer with only a harness purchase due to the complexity of variables we have no control over. What is covered here is generally applicable to most tbi systems but we will be putting. This is a basic tbi harness for all engines using ecm 1227747 and 1228746 type ecm many others can be used.
Gallery of Tbi Conversion Wiring Diagram
