Hey volks,

Anybody have a quick answer on this one?
Two senders/switches on my 82's (diesel) radiator.  One above the other.  The bottom switch is a 3 prong affair, the top switch is a 2-pronger.  The bottom is already hooked up, but the former owner has removed whatever wires lived on the top switch.  What do both switches govern?

thanks,

Thoma

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