How to get SDconnect C4 to work with Mercedes 24/12 volt cars
some of the NEC Chips are Broken 4 PCs and same the small board power chip i Change it and now they work on 12V too
i change the first line from left side
Replace the chip
SD connect C4 china clone with boards of high quality:
SD connect mux with PCBs above is confirmed to work no issues with Mercedes 12 and 24 volt cars.