Club 80-90 Forums

Thanks Maxstu,
Very grateful for your advice and my nightmare is now sorted,  Cheers. 

There are two wires, a yellow and a blue, which wire do I connect to earth.? 

I have a 1987 1.9 water cooled V.W. The mechanic has just fitted another engine which has turned out to be a 1982 1.9 water cooled engine. The problem I have is that the 1982 engine only has one oil pressure switch fitted to warn of a oil pressure problem on the dash, The issue is the 1987 has two o...