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Focus (Mk 2) 2004-2007
Vehicles can be based on a resistive or CAN protocol. The easiest way to confirm is to remove the factory radio and check if the harness has a 12V ignition feed included.
Vehicles with an ignition feed are based on the resistive protocol and will use a resistive ISO lead (AIS2157) or stalk control adaptor (ASC2654).
Vehicles without an ignition feed are based on the CANbus protocol and will use a CANbus stalk control adaptor (ASC2684A). CANbus vehicles use the standard ISO lead (AIS2157) but require a 12V ignition feed to be run to the new radio.
Select the factory radio to confirm the correct fitting solutions.
