Show finding positive side of unmarked phones headphones generally speaking op orate the best when the positive side of the phones Is connected to the positive of the B battery some phone cords are marked with a red stripe to indicate the positive cord of the pl phones iones but bitt it if the phones arent marked try them conne connected etea one way and then reverse these conditions tile the positive side will be indicated by the connection that tant gives tile the clearest and loudest signals crosley weekly |