Tbi Wiring Diagram
As you can see from the above diagrams compared to a carburetor the tbi is much simpler in design.
Tbi wiring diagram. Attached wiring diagram schematic. Each component ought to be set and connected with different parts in specific manner. 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. Here s a list of the pins but they are also on the wiring diagrams above.
Tbi wiring harness conversion. Wiring diagram tbi wiring harness diagram tbi wiring harness diagram every electric arrangement is composed of various unique components. Typically technical support is limited to the customer with only a harness purchase due to the complexity of. A2 not used a3 not used a4 gry to egr relay optional this is a ground from the ecm to control the egr relay.
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. Starting from 265 00. The injectors are designed to allow possible fuel vapor to rise to the top and dissipate through a channel to the return line which the pressure is controlled through the regulator. Also check the thread on page 2 i posted more information about the ignition module voltage at ignition on position there was basically no voltage coming back to the ecm but power in from the ignition coil to the module wiring diagrams harris performance incno fuel to tbi.
That way only liquid fuel which is heavier is allowed through. This is a basic tbi harness for all engines using ecm 1227747 and 1228746 type ecm many others can be used. V8 two wheel drive manual miles. A1 grn wht this wire is used to energize the fuel pump relay.
Otherwise the structure will not function as it ought to be. What is covered here is generally applicable to most tbi systems but we will be putting.