Brake lights not working, but the third brake light still works? Here is a 30 second fix without removing the dash to replace the Hazard switch which also contains the turn signal flasher and the main brake lights are also ran through this switch. This video shows what is inside this switch and what fails. This applies to most 90's to the mid 2010's GM (Chevy, GMC, Buick, Oldsmobile, Pontiac) vehicles, but other brands use similar designs. shown here on a 2001 Chevy Impala
For more about how turn signal relay's work.
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0:00 - Why the brake lights don't work
0:30 - Hazzard switch replacement
3:03 - See what causes the switch to fail
5:55 - Examining the switch contacts
#turnsignal #brakelight #howto
