Originally Posted by Baph

TBH, I've no idea what the wiring is like from the oil pressure switch, through the ECU and then on to the dash unit.

I knock off work at 2300, so I'll take a gander then for you (posting from work. ) and get back to you with where I would start looking on my K6 with those problems.

Multimeter's can be picked up from Maplin for less than a tenner.