Imported from years of club emails (published on the old Stag Owners Website). Names, dates and details may be incomplete or wrong. If you spot a mistake, please let us know and we'll fix it. Got old Stag emails, from before 2017 or on a subject that isn't here yet? Forward them to mail@triumphstag.info and we'll add them to the archive.
Is this an Aussie idea as apparently Rimmers don't have them listed.
Clark Autos (NSW) and Triumph Spares, and Triumph Vanguard Enterprises
he was miles from anywhere. I have had issues with these 3 terminal
switches on a 2500S and a 1986 Rover 3500 Vanden Plas.
Pays to have a spare oil pressure switch in the boot.
If you have a query it is a good idea to let the forum know where you
live as so you can be advised more accurately
Dave M.:
I've sent John a link to where he can buy one.
They were fitted to all Stags with pollution controls, ie US export, and
later ( post July 1 1976, ADR 27a ) Australian delivered cars. The
additional terminal is used as a signal to a valve on the charcoal
canister. When the oil pressure = 0 (hopefully only when the engine is
stopped!!) the valve closes, preventing run on which would otherwise occur
as fuel rich vapour could be sucked into the intake from the canister
