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Old 08-03-2005, 12:02 AM
skydvrboy skydvrboy is offline
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Join Date: May 2005
Posts: 11
Fuel Gauge Wire Resistance

I just finished hooking up a new fuel gauge sender and I am getting no reading at the gauge. The resistance at the sender is 47 ohms and I have just over half a tank (just what I would expect with a 0 - 90 ohm sender). However when I read the resistance at the gauge in the dash I am getting 99 ohms. This is being read as an empty tank by the gauge, as it is more than the 90 ohm rating of the gauge.

Does anyone have any idea what might be going on here? Is it possible to have 50 ohms of resistance in the 20 feet or so of wire between the gauge and the sender?

Any help would be greatly appreciated.

Thanks,
Mark
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