The gm system expects a more modern coil as well one that is powered by 12v at all times versus the oem coil that needs 9v during regular running and 12v at start. Generic tbi fuel injection block diagram acronyms individual components and their function schematic diagram.
87 Chevy 350 R10 Tbi Vacuum Diagram
Tbi distributor wiring diagram. Gm hei 8 pin ignition module wiring diagram for tbi. Both relays are energized from the 12v ignition wire that used to go to the side of the coil. 87 s10 wiring diagram together with wiring diagrams for chevy suburban also chevy tbi distributor wiring diagram as well as toyota yaris engine. Duraspark to gm 8 pin hei wiring. Contributed by john b vegadad reference. Each component ought to be set and connected with different parts in specific manner.
Since it is only used to turn the relays on there is less draw on the stock 30 year old scout wiring. 1992 1995 43l astrosafari pdf. The components you will see on the left. Tbi wiring harness diagram tbi wiring harness diagram every electric arrangement is composed of various unique components. System their wiring connections and a possible source or two with part. Heres a list of the pins but they are also on the wiring diagrams above.
Distributor first the big picture block diagram. Tbi wiring harness conversion. If youd like to have access to a wiring diagram ignition component connector pin outs and the entire testing procedure for a no start or a misfire problem in one place then take a look at the following diagnostic manuals in downloadable pdf format. A1 grnwht this wire is used to. Otherwise the structure will not function as it ought to be. Building the v6vega by john thawley over the manufacturing life of the h body several gear ratios were offered in either a or ring gear configuration.