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Reply to "Voltmeter - Back to the future style"

On the '71 cars, one of the stock pusher fans was controlled by a manual switch. The second stock pusher fan was controlled by a thermo switch.

The manual fan switch was quickly discontinued if favor of a second thermo switch in the radiator. This left a "dead" switch in the panel.

The manual fan switch was wired "hot", meaning that the fan could be turned on at any time without having the ignition key turned on.

John

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