hi guys i need some help i have just done a vr6 conversion into my MK3 all is wll but the loom i bought from a a friend for the fan control unit is strange.All the mk3 VR6 fan control units i looked at have a big plug and smaller plug, mine has a big plug and the smaller plug is really small its only a 4 pin plug, i know it controls the auxillary waterpump but i cant find the right control unit for it? any guesses?