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probably wiring, an open somewhere.
Then I have a short.The connectors on the engine for the no pressure light, and for the pressure sender, are right next to each other. Perhaps you got them backwards? Pretty sure it reads no pressure if the wire is disconnected / open connection.
Yep, I mentioned that....Also important to note is that they are not all the same, there are two different types depending on the year and on the gauge.
It is only a SWITCH, on-off. Actuates when oil temperature reaches 25C.is the "oil temp switch" a sensor for an oil temperature gauge?
The reason your light has never worked is because that Lotus saw fit to disconnect the light below 1600 RPM via the RPM relay to avoid scaring customers on hot days when the oil light started to flicker at idle. The light works, you've just never experienced low oil pressure above 1600 RPM!The silver 'can' (red arrow) is the pressure sender for the dash gauge. This also is supposed to illuminate the OIL pressure warning light, but ours has never worked.