help on convert

i have started a w reg convert to a gti but the only problem is i dont have the rear hald of the wireing lome so im kinda stuck on what next any people have idears for me or anyother rear half of lome fit or will it work with the w reg lome or that no possable i dont mind if i have to cut the lome to make it work or if anyone has a wireing lome for sale please could u conact me asap thanks alot yours ali