2002 Bombardier Quest 650XT Service Manual, Page 218Get this manual
Subsection 06
Section 05 ELECTRICAL (INSTRUMENTS AND ACCESSORIES)
SPEEDOMETER
Using multimeter, measure the voltage between both REDVIOLET and BLACK wiresTurn ignition switch to ONThe obtained value should be between 12 and 14.5 Vdc
Use multimeter on beeper position to check the following items: Check the continuity between terminal no2 and positive (+) terminal when the switch is turned on IN position Check the continuity between terminal no1 and positive (+) terminal when the switch is turned on OUT position Check the continuity between terminal no2 and negative (-) terminal when the switch is turned on OUT position Check the continuity between terminal no1 and negative (-) terminal when the switch is turned on IN position Check the continuity between terminal no1 and terminal no2 when the switch is not turned on any position