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 |
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