July 2007GS-3390 • GS-4390 • GS-5390 Part No. 72863xiiTABLE OF CONTENTSSection 5 Rev Fault CodesIntroduction ................................................................................................. 5 - 1C Fault Code Chart(before serial number GS9003-41523) ........................................................ 5 - 3A Fault Code Chart(after serial number GS9003-41522) ........................................................... 5 - 5A Ford Engine ECM Fault Code Chart(before serial number GS9003-41369) ........................................................ 5 - 8A Ford Engine ECM Fault Code Chart(after serial number GS9003-41368) ......................................................... 5 - 10Section 6 Rev SchematicsIntroduction .................................................................................................. 6 - 1A Electronic Control Module Layout(before serial number GS9003-41523) ........................................................ 6 - 2A Electronic Control Module Pin-Out Legend(before serial number 41523) ....................................................................... 6 - 3A Electronic Control Module Layout(after serial number GS9003-41522) ........................................................... 6 - 4A Electronic Control Module Pin-Out Legend(after serial number GS9003-41522) ........................................................... 6 - 5B Ford Engine Relay Layout ........................................................................... 6 - 6A Wiring Diagram - Platform Control Box(before serial number GS9003-41523) ........................................................ 6 - 7A Wiring Diagram - Platform Control Box(after serial number GS9003-41522) ........................................................... 6 - 8A Electrical Schematics Abbreviation and Wire Color Legends ....................... 6 - 9B Limit Switch Legend ................................................................................... 6 - 10A Electrical Symbols Legend ......................................................................... 6 - 12A Electrical Schematic - Platform Overload (option)(before serial number GS9003-41523) ...................................................... 6 - 13