There are two brake light switches on your bike. One for the front brake and it's located in the right handlebar switch housing and a pressure switch that is usually underneath the bike somewhere for the rear brake. You can find the rear brake light switch by following the metal brake line that comes out of the rear brake master cylinder until you come to a switch with some wires on it. On the older bikes, you could unplug the wires to see which switch was holding the light on. If the brake light goes off when you unplug the wires, it's this pressure switch that has the light held on. If the light stays on, it is the front brake light switch. On your bike, check for looseness in the front brake lever. If the lever and pin are worn, this will cause the lever to not depress the switch in the side of the switch housing facing the front brake lever. Your front brake switch may be broken. Odds are that the front brake switch is the one causing the problem.
Good Luck
Steve
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