Replace the tail/ brake light bulb, socket or both.

2. Brake light switches

► Check the brake light switches for continuity. Refer to "CHECKING THE SWITCHES".

Replace the brake light switch.

3. Voltage

Connect the pocket tester (DC 20 V) to the tail/brake light coupler (wire harness side) as shown.

Negative tester probe ^ black ® Positive tester probe ^ yellow (2)

► Pull in the brake lever or push down on the brake pedal.

► Measure the voltage (DC 12 V) of yellow (2) on the tail/brake light coupler (wire harness side).

► Is the voltage within specification?

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