AC Switch Over Valve

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AC Switch Over Valve

06-25-2022, 12:55 AM

280EZRider 280EZRider is offline

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AC Switch Over Valve

On my 77 280E, I'm trying to find the source of power to the AC switch over valve (increases idle speed with ac on via vacuum to distributor retard). I believe power comes from one of the relays mounted on the left wheel well, but which one? There is no power at the valve pigtail.

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