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Old 08-29-2012, 07:20 AM
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67Mustang Al. 67Mustang Al. is offline
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Testing gauge and sender.

Fuel Gauge Unit Test
This should give you some food for thought. You should start by testing your gauge so this should help you out.
V=I times R
where v= volts, I= current and R= resistance. (sending unit varies from empty to full so voltage will also vary if you use this formula.
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