Hazard Warning Lights Come On By Themselves

The hazard lights on my car are randomly coming on.

Hazard warning lights come on by themselves.

This is the first. Series 3 hazard light switch malfunctions are quite common. Looking at the wiring diagram the indicators hazards use the same flasher relay. 2003 4runner 6 cly 2wd sr5.

So i pulled the fuse again. The switch may not work or like in your case it may short and drain the battery you can find the procedure to remove the switch summarily described on this forum. Hazard lights come on by. The flashers are controlled by electrical relays that switch power to them on and off.

If the electrical relays malfunction internally they can cause the hazard lights to act up. Stop when vehicle is started running. I ll just try the hazard switch. Hazard lights come on by themselves when engine is off.

They may blink a bit faster than turn lights because on some flasher units the rate of on off depends upon the load number of bulbs they feed. Started doing this suddenly. They came on once whilst i was out there about 30 seconds or so after i d locked it double locked with the imobiliser. Push hazard switch in and out no effect.

The actual connection of the two wires from your hazard switch can usually be made to your existing circuit where the cable comes out of the steering column under the dash. The hazard and turn signal lights found on the vast majority of road going vehicles are controlled by a flasher which is commonly referred to as a relay. Then started by itself again then went fast slow. Went on off the first time.

Replace the hazard lights switch. Thought the indicators were working fine though.