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GMC Jimmy Forum : “Sounds like the emergency flashers are alway on unless you step on the brakes.”
Sounds like the emergency flashers are alway on unless you step on the brakes.
My emergency flasher relay open and closes constantly, unless you have your foot on the brake pedal. They are not flashing but you fell and hear the relay open and close. What is wrong?
Have you tried replacing the relay? It could be shorting out and operating. You might also try checking the turn signal/4-way switch to see if it is sticking or broken.