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Truck ran fine. Changed oil, air and fuel filters, would not start. No codes shown, checked lift pump and it had no voltage to it from TIPM. What tells ECM to send power to TIPM? Is there something that needs to be reset after routine service.
customer changed oil and fuel filters, now truck won't start and has no power to lift pump. Where does ecm get power to send to fuel pump control, and is it five volts or twelve.