Blaupunkt Gmbh 7 612 002 064 Bno 881 Manual Added By Users Updated Jun 2026

: Constant +12V battery power feed supply line. Pin 15 (+12V Switch) : Main 12-volt positive power terminal. Chamber B: Loudspeaker Outputs Pins 1 & 5 : Rear Right Speaker (+ / -) Pins 2 & 6 : Front Right Speaker (+ / -) Pins 3 & 7 : Front Left Speaker (+ / -) Pins 4 & 8 : Rear Left Speaker (+ / -) Chamber C: Aux and External CD Changer Interfaces Pin 1 : AUX Signal Input Ground (Common Shield). Pin 2 : AUX Audio Channel Input Left. Pin 4 : CD Changer Data Out / Audio Ground. Pin 7 : AUX Audio Channel Input Right. Pin 8 : CD Changer Left Channel In. Pin 9 : CD Changer Right Channel In. Anti-Theft Decoding & PIN Unlock Procedures

No official Blaupunkt manual for this BNO 881 remains publicly available on corporate servers (the product is discontinued since ~2009). What exists are found on: : Constant +12V battery power feed supply line

When retrofitting this unit or adding modern Bluetooth adapters, referencing the correct pinout configuration prevents irreversible damage to the internal mainboard. The rear of the unit features a Quadlock connector block divided into four primary sectors. Multi-Pin Connector A (Power and CAN-Bus) CAN-Bus High (Infotainment CAN-H) Pin 10: CAN-Bus Low (Infotainment CAN-L) Pin 2 : AUX Audio Channel Input Left

Since this is an older system, mapping data is limited to CDs. It cannot take modern SD card or USB map updates. Pin 8 : CD Changer Left Channel In