06-14-2007, 06:24 PM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
One switched 12 volt wire goes to the gauge (+) pole, the sending unit connects to the other side of gauge (-). Ohms and resistance change at sending unit is based on temperature, or pressure from oil pump causing gauge reading to change.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
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