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Studebaker M15A-20 "Mr. Potato Head"

Sunday, January 16, 2011


I just found out that this vintage of truck has a "Radimeter" instead of a temperature gauge. What's the difference? A temperature gauge has an electrical sending unit mounted in the engine block that connects electrically to a electrical meter in the dash. A radimeter is not electrical at all. It has a bulb in the engine block that is connected to the dash gauge through a tube. The whole thing, meter, bulb, and tube are one unit filled with an alcohol solution.

Why do I care? Well someone cut the tube at the firewall and the bulb is AWOL!!!

How do I fix it? Convert to electrical? Research...

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