Brake Lamp: Testing and Inspection

1. The turn-signal lights and hazard-warning lights do not operate at all.
- Check the hazard switch contact (power supply side).
- Check the turn-signal and hazard flasher unit.
2. All turn-signal lights at the left (or right) side do not function.
a. The hazard-warning lights function normally.
- Check the hazard switch contact (turn- signal side).
- Check the turn-signal switch.
3. The number of flashes of the turn-signal lights is excessive.
- Check the bulbs.
4. The hazard-warning lights do not function.
a. The turn-signal lights function normally.
- Check the hazard switch contact (hazard-warning light side).
5. The stop lights do not come on.
- Check the stop light switch.
- Check the dedicated fuse No. 1.
6. Some stop light dose not come on.
- Check the ground circuit.