Anybody know where I can buy an adaptor for the wiring of a clock,standard 90/110 ,has 3 wires

is it the three spades or the plug ?

the three spades - 1 is earth , the other is perminant live and the other is dash lights live.

which is which i cannot tell you ATM- but if you make the three connections into your loom you will be able to fit them and figure it out

i had the same issue fitting a TDI loom into my ninety.

Red/White is commonly used as the gauge illumination colour, black as earth, possibly purple as the fused power feed.