Interesting item ... is it NOS? Looks like it's electro-mechanical ... I've heard that some of these cruise controls are unreliable.
Looks like something out of a toilet tank.
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Prince Edward Island
'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.