One of the last LWBs in fact - a 1973.5 CIS car, tho I suspect that does not make a difference...

I got my gauges back from being refurbished and am now trying to connect them up again. I took photos of each one and also drew diagrams of the connections. Too bad some of the wires blocked the view of some other wires on some pics...

My question is about the Oil Temperature gauge. It seems like a solid green wire goes to a grounded terminal on the back, which is not kosher DIN is it??
(Yes, that's green, not brown).

The wiring diagram is not helpful as it just shows a curved half-circle as the termination of the wire.

So, where does the solid green wire go?