6 7 Cummins Lift Pump Wiring Diagram

Once you start pushing your diesel truck past its stock power levels an aftermarket fuel lift pump is needed to help you maintain proper fuel supply to the.

6 7 cummins lift pump wiring diagram. Cummins b series shop manual 1991 and 1994 certification levels cummins b5 9g c8 3g l10g electronic control system master g5 9 g8 3 g855 g14 g19 g28 g38 g60 g19gc 3666193 cummins isb and qsb5 9 44 troubleshooting and repair manual 3666194 cummins isb and qsb electronic control system 3666195 cummins. Ac system wiring aftertreatment system wiring charing system wiring cooling system wiring egr system wiring fuel injector control system wiring lift pump fuel delivery system wiring intake air system wiring speed. Cummins uses the ecm to control power to the lift pump. The links from this web site to cummins web sites are for informational purposes only.

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The slower speed keeps fuel pressure below about 7 psi to aid. The ecm also duty cycles the power to keep the lift pump running at about speed when the engine is cranking. The ecm pins 35 and 15 supply 12 volts to the pump. Two pins are used to provide enough current to the lift pump.