48v kit

[al]

hi all,
just installed the kit its a 48v 500w rear with a 48v regen conttroller (i think) they don't give much info are back up support do you here me phil! anyhow connected 2 24 nimhs in series pluged in and then funny things happend the wires sort of melted,buzzing noises,batt indicater jumping from full to empty, the wheel is now lumpy to turn, have I done somthing fundamently wrong here this is my first bash is there a good site to go through the steps I could realy use some help here.
Thanks,
Al.

[myelectricbike]

Did you read the assembly manual? The problem definitely sounds like a short of some kind and possibly a reversed connection, although I have been fortunate never to have experienced this "test."