The 'little white coils' are hot wires for the gauges.Originally Posted by paraterra
The metal 'D' shape they are wrapped around is spring formed bimetalic
The more current that flows the hotter the wire gets, the more the metal changes shape and pulls the pointer around the dial.
Do the gauges seem to work as they should?
IE if the tank is 1/2 full or the temp is cold does the gauge correspond.
It may be that the power supply for the instruments has crapped itself
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