Brake lights

Read the instructions below then start the fault diagnostic procedure.

Symptom: Brake light not working on one or both sides.

Brake lights

Fault symptoms

Brake light not working on one or both sides.

Diagnostic help

Check fuse 1.

The following values can be read with the diagnostic tool:

-	Brake light switch connector, ON/OFF

Checking the wiring harness

Fault diagnosis concerns a break or short in the connected wiring harness.

Jiggle the wiring harness at several points and in several directions to detect intermittent open circuits and short circuits. Note the reaction of the multimeter, test lamp or diagnostic tool during the check.