Software Part Number: Part number of component program or the ECU. Used to determine applicability to vehicle RPO content.

Battery Voltage: Direct line from the battery used to monitor voltages.

Battery Power 2: High current voltage supply to the control module for powering up the unit.

Battery Power 3: High current voltage supply to the control module for powering up the unit.

Crank: Input from ignition switch closed to battery voltage when the ignition switch is in the CRANK position.

Door Jamb Switch: Input showing state of the passenger door(s).

Driver Door Switch: Input from the driver door indicating door status (Open-Closed).

Ground 2: Input showing the state of the ground circuit to the control module.

Ignition 0: Input to the control module from the ignition switch indicating the Ignition 0 position. Switch closed (HOT) in ignition switch positions Unlock, Accessory, Run, Crank

Ignition 1: Input to the control module from the ignition switch indicating the Ignition 1 position. Switch closed (HOT) in ignition switch positions Run, Crank

Inadvertent Power Output: Input indicating the sensed state of the inadvertent power request circuit.

Inadvertent Power Output: Output indicating the state as commanded by the control module.

Key In Ignition: Input from ignition switch indicating that the ignition key is inserted into the ignition switch. HOT with key in ignition and ignition switch position LOCK.

RAP Output: Output indicates state that the control module has commanded.

Truck Ajar Switch: Indicates state of switch used to control lamp in truck and IPC indicator.