July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

ECM Input Data Code Identification

ECM INPUT DATA CODES

Code	Test Condition
EI71	VCC Brake Switch Circuit
EI72	Throttle Switch Circuit
EI74	Park/Neutral Switch Circuit
EI78	Power Steering Pressure Switch
EI79	Cruise Enable "ON/OFF" Input
EI80	Cruise "SET/COAST" Input
EI81	Cruise "RESUME/ACCELERATION" Input