2002 Bombardier Quest 650XT Service Manual, Page 276Get this manual
Section 09 BRAKES Subsection 02 (HYDRAULIC BRAKES)
BRAKE LIGHT SWITCH
Removal
Front Brake Light Switch The front brakes switch no51 is located on the master cylinder and cannot be adjustedCheck that switch is securely installed
V01K0XA
TYPICAL 1Front brake light switch