Thanks Richard
edit: So, it seems that there's enough lack of definitive information (??) from our State registration authorities regarding the need, or otherwise, to have self-cancelling turn indicators, so I'm going with a Cole Hersee on-off-on switch, which is similar in appearance to the battery isolator that I'm using on my dash panel. I might need to be prepared for some 'discussion' at registration time
Here's the Cole Hersee 24054 on-off-on ....
Cheers,
Glen