I don't have signal or brake light but I do have head and marker lights directional stop working! Can't locate flasher can unit
Check also if brake light switch activated with brake pedal is working. Measure voltage at its terminals to be 12V. If not check for any fuse blown or loose fuse holder case or ground.
Does your emergency flashers work? They use the same light units as do the brake and turn. Also most cars use the same fuse for the turn and brake lights. If emergency lights are working this will eliminate the four light units, and if the fuse is good for these devices, this will allow you to move on to other possibilities, such as turn signal switch etc.
When you turn the flashers on (left right or hazard) and you don't hear a clicking sound, it is time to replace the unit.
Kindly check first the multi function switch.
The flasher unit is located under the dash, near the steering column. This could also be caused by a faulty ground wire. Check the wiring for broken, bare, or loose wires or connections.
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