Re: Running ford king seeley gauges on 12 v
I envision a little test station. Let's used compressed air. Starting with a good mechanical gauge and a good KS sender plumbed inline with your compressor at, say 30 psi. With a 6/12 battery charger wire up a gauge. I don't recall if the full voltage is required or through resistor, but wire it up as Henry did. If 12v reads the same, maybe leave it hooked up that way for a day or two to see if the gauge holds up to the higher voltage. I'm trying to get ready for a meeting with a Seattle contractor or I'd do this. One of you retired guys take up this challenge. Inquiring minds want to know 
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Owner/Operator of 'Jailbar Ranch' on the side of Mt. Pickett. Current stable consists of 1946 1/2 ton pickup turned woodie wagon with FH V8, 1946 Tonner Pickup with 226 H six, 1979 Toyota landcruiser wagon, now wearing 1947 Ford Jailbar sheet metal. 'Rusty ol' floorboards, hot on their feet' (Alan Jackson)
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