Lift Pump Voltage???? - Diesel Bombers



24 Valve 2nd Gen Dodge Cummins 98.5-02 Discussion of 24 Valve 5.9 Liter Dodge Cummins Diesels with VP44 Injection Pumps
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Old 12-02-2012, 02:56 PM
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Default Lift Pump Voltage????

Does anybody know how much voltage the ecm should be sending to the lp???????
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Old 12-03-2012, 01:21 AM
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i want to say the ecm puts out right around 12 volts. it closes the relay and then the lp receives power from its source ( my relay closes to receive power from batteries)
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Old 12-03-2012, 07:44 AM
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I'll say 12v also
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Old 12-03-2012, 11:45 PM
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Should be system voltage, less 0.2 volt or so.
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