Camaro RS V8-305 5.0L VIN E TBI (1990)
Transmission Position Switch/Sensor: Testing and Inspection
Computer Command Control - Throttle Body Fuel Injection
Chart C-1A
Wiring Diagram For P/N Switch
CIRCUIT DESCRIPTION:
The PARK/NEUTRAL Switch contacts are closed to ground in park or neutral and open in drive ranges. The ECM supplies ignition voltage through a
current limiting resistor to circuit 434, and senses a closed switch when the voltage on circuit 434 drops to less than one volt. The ECM uses the P/N
