F 350 4WD Pickup V8-351 5.8L VIN H EFI (1997)
Temperature Gauge: Description and Operation
Engine Coolant Temperature Gauge
Description
The temperature gauge is a magnetic gauge movement consisting of three primary coils, one of which is wound at a 90-degree angle to the other two.
The coils form a magnetic field which varies in direction according to the variable resistance of the engine coolant temperature sender unit. A primary
magnet, to which a shaft and pointer are attached, rotates to align to this primary field, resulting in pointer position. The bobbin/coil assembly is
pressed into a metal housing that has two holes for dial mounting. There is no adjustment, calibration or maintenance required for this gauge.
