Re: Temperature Sender
I don't know about the earlier gauges, but 48-on can be adjusted. Adjustments must be VERY small or the gauge will go crazy. One adjusts Zero, the other readings. According to the 48-51 Truck manual, you calibrate by connecting the gauge to a D-cell battery and adjust til it shows 50% of range.
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'52 F-1, EAB flathead
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