Its IN for OFF - OUT for ON.
Not on my 1993 4/4 it isn't John! Wasn't on my '76 or or '97 +4 either
I guess it depends on the water valve as fitted.
You did not think Morgan would make things easy Graham . They swap things round just to shake off the rust and not on the car .. No more car shows up here till spring . So it looks like all I have to do is play in the garage .
ps. My mog does not need a heater you can feel the heat from the engine .
