Vp44 ecm motor wiring diagram
When troubleshooting for this fault, suspect that one or a combination of the following can be the cause: The ECM, fuel pump, or wiring harness/fuses/relay. remove the vp44 harness from the fuel pump
run a separate wire to the fuel pump pin 7 (on the pump)for 12 v power to the batt and run a ground to pin 6 to ground. if the engine starts than you have a electrical issue. if still no start CAUTION. The fuel system contains high pressure fuel up to 26,000 PSI. Do Not use you fingers to find leaks! High pressure fuel entering your bloodstream may result in amputation or loss of life.