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Home >> BMW >> 2003 >> 530i Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Communication Systems - Service Information >> Universal charger and hands-free kit >> Brief Description Of Components >> Universal charger and hands-free kit (ULF) control unit >> Power Supply

Power Supply

The power supply generates the operating voltage for the ULF control unit from the on-board supply voltage (terminal 30). The power supply is switched on and off with terminal R.