What causes the hazard lights to flash continuously upon ignition?

1 Answers
StArianna
07/30/25 12:45am
The reasons why the hazard lights flash continuously upon ignition are as follows: 1. Control box malfunction: The solution is to check if the hazard light relay is functioning properly. Use a multimeter to test the output wire of the hazard light relay to see if there is a 12v output. If there is intermittent output variation, it indicates normal operation. If there is no output or a constant 12v output, it means the hazard light relay is damaged and needs to be replaced. It could also be due to abnormal wiring issues, which require professional troubleshooting. 2. Electronic fault: The solution is to try using a spare key to see if the fault persists.
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