Hi all - putting disco 200tdi in my old 90 and just swapping bits over - just noticed that the disco alternator has 3 wires attached, one big , 2 small, my old engine has one big one small, ive looked thro the posts here and found ref to a connection from the alternator for a rev counter? Which ones should i connect to? thanks steve

Have a swatch at ma post on here

Might gei ye a larf and help tae.

Ah saw sum alts at the garage wi a rev coonter connector and they were nowhere near the lucas plug.....