Installation Manual Guide Dodge 5.9L Cummins CP3 High Pressure Fuel Injection Pump
1. Disconnect the negative battery cables from all batteries. 2. Remove the intake manifold (above injection pump) and its hose. 3. Remove the 5 ECM (Engine Control Module) mounting bolts (located on the lower left side of the engine block towards the front). Do NOT disconnect the wiring connectors from the ECM. Remove the fuel pump drive gear mounting nut and washer, Remove the three (3) injection pump mounting nuts, and remove pump from engine. Carefully apply clean engine oil to injection pump O-ring.
The tapers on the injection pump shaft and injection pump gear must be clean, dry and free of any dirt or oil film. Clean pump gear and pump shaft at machined tapers with an evaporative type cleaner such as brake cleaner. This will ensure proper gear-to-shaft tightening. Run the braided lines from the CP3 pump to the fuel manifold. 23. Wiring: Also see the included wiring diagram. a. Connect the wire that corresponds to pin #86 on the wiring harness to a 12V (KEY-ON) power source.
