What is the fault when the car hazard lights keep flashing?

1 Answers
MacElla
07/29/25 2:50pm
When the car hazard lights keep flashing, it indicates a fault in the control box. Method to check the fault: You need to check whether the hazard light relay is functioning properly. Use a multimeter to measure the output line of the hazard light relay to see if there is a 12v output. If there is intermittent output variation, it means the relay is normal. If there is no output or a constant 12v output, it indicates that the hazard light relay is damaged and needs to be replaced with a new one. Other solutions: Directly remove the fuse of the hazard lights. At this point, the hazard lights will stop flashing continuously, and it will not affect the use of the car lock and turn signals. This is a decisive solution. However, removing the fuse means the hazard lights are forcibly turned off. In case of an emergency, you won't be able to use the hazard lights to alert vehicles behind you.
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