I hesitate to mention this, being fortunate to not have an
Auto Temp II myself, but, in the spirit of Supra rotors...
Has anyone tried to adapt the controls from a Harrison unit
[used on a certain luxury car which will remain nameless]?
>From what I've seen they work great for years and years.
Seems like the principle would be the same.
--Roger van Hoy, '55DeSoto, '42DeSoto, '66Plymouth,
'73Duster, '81 Imperial, Washougal, WA