457C Chrysler Data Bus Interface Installation

The 457C interfaces with specific Chrysler vehicles. It converts the signals from the keyless entry, alarm, or remote start into signals that can be understood by the vehicles factory Data Bus system. This allows for interfacing with various factory options such as factory alarms, sliding doors, etc.

Please read this installation guide thoroughly before installing the 457C. Use only a high quality digital multimeter for testing. This product connects to the vehicle’s low voltage signal wire and improper installation or testing can result in damage to the vehicle. Never use a test light or logic probe to test wires in this vehicle.

NOTE: The sliding door and trunk features are not available on all platforms.
NOTE 1: The door lock and factory alarm connections must be connected to the BCM or the driver’s kick panel.
NOTE 2: For Liberty only—To control the factory alarm, connect the BROWN wire to the door pin wire and connect both Analog 2 and Analog 3 to the vehicle.

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