Hey guys

1985 SD1 SP Vitesse, its leaking oil badly through what i believe is an oil pressure switch, but wondered if you chaps could confirm. Basically, if you stand by the drivers front wing and peer down into the engine bay , in front and below the exhaust manifold there are two wires, a yellow and a green, one of them goes furthest forward to a big off white plastic plug, and one to a smaller single spade pin metal cylinder, its leaking from this cylinder, is this the oil pressure switch?

Many thanks

Mark