1987 Chevy Tbi Wiring Diagram
This is a basic tbi harness for all engines using ecm 1227747 and 1228746 type ecm many others can be used.
1987 chevy tbi wiring diagram. All the wires at the connectors have alpha numeric addresses showing where the other end of the wire is located ac cording to the grid. Here are the complete wiring harness schematics for the 73 87 series pickups. A2 not used a3 not used a4 gry to egr relay optional this is a ground from the ecm to control the egr relay. These are huge jpgs so you may want to save them to your hard drive and print the pages you need.
S tbi no fuel spray from injector answered by a verified gm mechanic. Although just a small number of cars were equipped with tbi in 1987 this changed very rapidly in 1988 when it was introduced on the f bodies camaro and firebird and expanded to include the chevrolet caprice monte carlo and the truck lines as well. I m looking at the wiring diagram and there is no hall effect on it. Wiring diagrams description these diagrams use a new format.
1988 was the last year of carburetors on gm s passenger cars. Here s a list of the pins but they are also on the wiring diagrams above. 1987 chevy s10 2 8 tbi wiring diagram. The diagram is surrounded by a alpha numeric loaction grid.
The connectors are shown with end on views with. A1 grn wht this wire is used to energize the fuel pump relay. Basic connections are standard but it is easy to customize one for your needs. Tbi wiring harness conversion.
The wiring diagrams use an alpha numerical grid and an address for each wire entering the harness to show where it comes out. 15 11 2018 15 11 2018 2 comments on 1987 chevy s10 2 8 tbi wiring diagram.