Why are my headlights not turning on?

Why are my headlights not turning on?

Most total headlight failures are caused by a bad component like a fuse, relay, or module. Wiring problems can also cause both headlights to stop working. The cause: A burned out bulb, or a problem with the high beam switch or relay. The fix: Replace the bulb, switch, or relay.

How can you tell if a headlight relay is bad?

Replace the Relay Have an assistant turn on the headlights. If you hear the relay click, you know the coil is working, but you don’t know about the contacts. If you don’t hear the click, your relay is probably bad. The safest way to test a headlight relay is to replace it with a known good one.

How do I know if my headlight relay is bad?

The most common sign of a bad headlight relay is headlights that don’t work. A headlight relay will typically fail in the open position, preventing voltage from reaching the headlights. If the low beam relay fails, the low beams won’t work.

How does the headlight switch work on a Mazda?

When the headlight switch is in the position and the ignition is switched ON, the light sensor senses the surrounding lightness or darkness and automatically turns the headlights and other exterior lights on or off. Do not shade the light sensor by adhering a sticker or a label on the windscreen.

When do the running lights turn on in a Mazda?

The running lights turn on automatically when the vehicle starts moving. They turn off when the parking brake is operated or the selector lever is shifted to the P position (automatic transaxle vehicle). The running lights can be deactivated. Refer to Personalisation Features (Search).

How do you turn on fog lights on a Mazda?

Rotate the fog light switch to the position. Turn the headlight switch to the position. If the fog light switch is in the position or the headlight switch is in the position, the fog lights will turn on when the headlights, the exterior lights turn on.

When does the position lights not turn on?

The position lights does not turn on. (Taiwan) The lights are turned on continuously if the ignition is switched from ON to any other position with the lights turned on. The lights are turned off when the driver’s door is opened or 30 seconds have elapsed since the lights turned on.