Ive hundreds of pages of wiring diagrams but only one incomplete vacuum diagram in bad printing quality. Chevy 350 engine wire harness diagram wiring diagram data tbi wiring harness diagram wiring diagram includes several comprehensive illustrations that present the link of assorted items.

Mercury Mercruiser 5 7l Bravo Efi Tbi Gm 350 V 8 1995
350 tbi wiring diagram. I jumped on ebay and starting bidding. I ended up with a complete system from a 91 305 camaro for about 140. Otherwise the structure will not function as it ought to be. It consists of directions and diagrams for different types of wiring strategies and other items like lights windows etc. Basic connections are standard but it is easy to customize one for your needs. This is a basic tbi harness for all engines using ecm 1227747 and 1228746 type ecm many others can be used.
Each component ought to be set and connected with different parts in specific manner. If you search the internet or look at your repair manual youll find stuff like this. Third testing the tps throttle position sensor 1994 chevy 4 best images of chevy 350 vacuum lines diagram chevy chevy tbi vacuum line diagram wiring schematics diagram illinois 1994 tbi 350 engine parts have everything. Typically technical support is limited to the customer with only a harness purchase due to the complexity of. Tbi wiring harness diagram tbi wiring harness diagram every electric arrangement is composed of various unique components. Tbi wiring harness conversion.
I got them all. I downloaded several pinout charts and wiring diagrams and began studying every detail. It included the tbi unit the intake manifold the ecm computer the distributor the wiring harness and most of the sensors. Starting from 26500. Heres a list of the pins but they are also on the wiring diagrams above. A1 grnwht this wire is used to energize the fuel pump relay.
The image only shows the vacuum lines that belong to the emission control system. Chevy 350 tbi vacuum line diagram vacuum lines diagrams. Maybe you know the problem. A2 not used a3 not used a4 gry to egr relayoptional this is a ground from the ecm to control the egr relay.