Hey i know this guy that made a harness for my friends wagon that has a turbo motor swap from japan to convert mechanical to electric speedo.I think he used common parts from radio shack...lol.I'll find out for you i know its not that hard to make.My friend in N.Y. bought a impreza wagon(eletric cluster)and i had a early style motor from japan and it had the harness in it.the guy really did nice work on the wagon i looked over all his work and it was nice.Then my friend swapped it all into his 2000 RS.Anyway i'll find out about it.