1987 Chevy Tbi Wiring Diagram
These are huge jpgs so you may want to save them to your hard drive and print the pages you need.
1987 chevy tbi wiring diagram. 1987 chevy s10 2 8 tbi wiring diagram. Here are the complete wiring harness schematics for the 73 87 series pickups. The wiring diagrams use an alpha numerical grid and an address for each wire entering the harness to show where it comes out. Wiring diagrams description these diagrams use a new format.
This is a basic tbi harness for all engines using ecm 1227747 and 1228746 type ecm many others can be used. I m looking at the wiring diagram and there is no hall effect on it. A1 grn wht this wire is used to energize the fuel pump relay. Here s a list of the pins but they are also on the wiring diagrams above.
Typically technical support is limited to the customer with only a harness purchase due to the complexity of variables we have no control over. 15 11 2018 15 11 2018 2 comments on 1987 chevy s10 2 8 tbi wiring diagram. Tbi wiring harness conversion. Basic connections are standard but it is easy to customize one for your needs.
1988 was the last year of carburetors on gm s passenger cars. A2 not used a3 not used a4 gry to egr relay optional this is a ground from the ecm to control the egr relay. The wiring diagrams in this manual use a format which reduces the number of lines on a schematic by showing each wire connection at the terminals and components but only one wire for the wiring harness. S tbi no fuel spray from injector answered by a verified gm mechanic.
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. The connectors are shown with end on views with.