2004 Skidoo ZX Series Service Manual, Page 315Get this manual
Section 06 ENGINES MANAGEMENT (2-TEC) Subsection 02 (COMPONENT INSPECTION AND ADJUSTMENT)
Check continuity between terminal of the fuel pump connector on the vehicle harness side and terminal 29 of the ECM connector BIf there is no continuity the problem is in the harness
Fuel Pump Module Replacement
Removal Open hoodConnect VCK (PN 529 035 981)Use B.U.D.Sto release fuel pressureDrain fuel tank as much as possibleRemove steering padUnbolt handlebar and move it forwardUnscrew fuel tank nut using wrench (PN 529 035 603)