Hazard Warning Lights Come On By Themselves

Stop when vehicle is started running.

Hazard warning lights come on by themselves.

If your hazard lights are malfunctioning especially after a jump start then it may be possible that there is an issue with one of the electrical components. The flashers are controlled by electrical relays that switch power to them on and off. Went on off the first time. Then started by itself again then went fast slow.

2003 4runner 6 cly 2wd sr5. The switch can be tested disconnecting it from wires and using an ohmmeter on its contact to ensure it is opening and closing fine. They came on once whilst i was out there about 30 seconds or so after i d locked it double locked with the imobiliser. 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 lights on my car are randomly coming on. 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. 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. Hazard lights come on by themselves when engine is off.

Replace the hazard lights switch. I ll just try the hazard switch. If the electrical relays malfunction internally they can cause the hazard lights to act up. So i pulled the fuse again.

Looking at the wiring diagram the indicators hazards use the same flasher relay. This is the first. Hazard lights come on by. Started doing this suddenly.

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. Push hazard switch in and out no effect.