Hi first time ….. I think I hit here once on answers ….. was a few days ago on the highway on emergency service, because there was a Stralis (Bj2007) …suddenly out of the box … NOTHING went more, not once warning flasher … so.. -Batteries both 0.8 V – fuses i.o -cable i.o (also at the starter etc) ….jetz came to try to bridge the vehicle naturally properly jammed ^^ (with our “booster” and with times bangs and sparks that how does the ? ….only explanation Starter was out? Battery breaker I also bridged but still banging -.- ….. of course you are as a partner shit and the master says you have changed the battery pole =P would have there been no idea ?? mfg