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My wife has a 2022 Cooper S 5 Door and wants to add an Acoustical lock/unlock confirmation. The car was not ordered with a factory alarm. One option is to add a 12V Piezo siren or buzzer to the fuel door lock actuator.
Does any know which wires to tap into? Which wire sends to signal to open, which wire to close and which wire is the ground. Pic attached. Thanks.
