Automatic Headlight Sensors

Replacement Parts > Electrical, Lighting and Body > Sensors

Automatic Headlight Sensors

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What is an Automatic Headlight Sensor?

An Automatic Headlight Sensor is an electrical component which detects the darkness of the environment and automatically turns on the headlights of your vehicle.

What is the purpose of an Automatic Headlight Sensor?

The purpose of an Automatic Headlight Sensor is to ensure that your vehicle's headlights are turned on when driving in dark conditions, increasing visibility and safety.

How do I know if my Automatic Headlight Sensor is faulty?

If your Automatic Headlight Sensor is faulty, it may cause the headlights to turn on and off erratically or not turn on at all. You can also test the sensor with a multimeter.

Can a faulty Automatic Headlight Sensor cause damage?

Yes, a faulty Automatic Headlight Sensor can cause damage to other electrical components in your vehicle.

How do I replace an Automatic Headlight Sensor?

To replace an Automatic Headlight Sensor, you will need to:

  1. Disconnect the negative battery cable.
  2. Locate and remove the faulty sensor.
  3. Install the new sensor and reconnect the negative battery cable.


How often should I inspect my Automatic Headlight Sensor?

You should inspect your Automatic Headlight Sensor periodically to ensure it is working properly. It should be inspected at least once a year, during your vehicle's routine maintenance.