Oil Pressure Gauge Installation Instructions
#21
The factory sensor test is oil light on before engine start, then off is mere seconds. But if switch fails or bulb burns out just after that, and radio is turned up on that loud music station, we won't hear the clatter that signals doom. And actually it closes on loss of pressure to turn on the light, a broken wire can remove monitoring as well.
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aguison
Discovery II
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11-21-2012 01:46 PM