2005 Ski-Doo RT Series Shop Manual, Page 195Get this manual
Section 05 ELECTRICAL SYSTEM Subsection 05 (ACCESSORIES AND LIGHTING SYSTEM)
The Speedometer Is Lighted But the Needle Does Not Move Check the speed sensor and the wiring harnessIf the speed sensor and the wiring harness are good, change the speedometer
Installation
The installation is the reverse of the removal procedure
SPEED SENSOR
Install the supply harness (PN 529 035 869) with the supply cable (PN 529 035 997)NOTE: Remove the headlight system fuse to save the battery during the testStatic Test Unplug the speed sensor connectorA33E1NA
Lift the rear of the vehicleConnect multimeter probe on GREENWHITE and BLACKBLUE wiresTurn the track slowlyThe voltage should be 12 volts then drop to O.LIf the obtained value is out of specifications, change it