Yep, sounds like you have a different switch. I was thinking of a knob that
you pull. I assumed these were fitted to all Spits/GT6s - maybe a PO
changed to a non-standard switch after the original broke and he couldn't
find / couldn't be arsed with another original? Or maybe I'm wrong and a
'73 GT6 has a different switch specified to a 1500 Spit.
Sorry I can't help more!
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