Chevy TBI ECU Hardware

Some pictures and notes identifying components inside the Chevy TBI ECU case.

Some may call it reverse engineering.

Pictures with descriptions to follow.

Two Fuel Injector transistors, driven by chips

Two Regulators -

one provides 5v ref voltage for the TPS, etc

one provides ??v vcc to all chips on board, as well as the pull-up for the ignition signal from ECU to ignition module

Fuel pump drive transistor

Stepper motor driver

Chip drives/grounds the check engine light and