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Old 02-04-2019, 09:30 AM
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RockBit RockBit is offline
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Join Date: Jun 2014
Location: Dallas, TX
Cobra Make, Engine: ERA #812 427/482 FE
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Most of the senders are 240 ohm (empty) to 33 ohm (full).

If you disconnect the wire from the sender at the front corner of the tank (driver side) you can check the resistance between the sender wire and ground with your multi meter.

Check it when the tank is full, and again when it is empty. That will give you the range.
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