What causes the handbrake light to keep flashing?

1 Answers
JeffreyRose
07/30/25 6:45am
The reasons for the handbrake light flashing include poor contact of the handbrake switch, poor contact of the handbrake light power wire, cracked wiring harness, or poor contact of the handbrake indicator light on the dashboard. Solutions: Remove the handbrake cover, inspect the handbrake switch, use a multimeter to check the voltage of the red wire, and unplug the electrical connector of the handbrake switch. If the light continues to flash, it indicates a problem with the dashboard. If the issue disappears, it is caused by poor contact of the switch. Meaning of the handbrake: The handbrake, also known as the auxiliary brake, uses a steel cable connected to the rear brake shoes to apply braking force to the vehicle. Long-term use of the handbrake can cause the steel cable to undergo plastic deformation. Since this deformation is irreversible, prolonged use will reduce its effectiveness, and the handbrake's travel distance will also increase.
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