GMC Sierra Turn Signal Blink Fast

Right Turn Signal Will Blink Normal Three To Four Times Then Will Begin Blinking Fast (as If One Of The Bulbs Were Out), And A Message Pops...

Hello, One Day Last Week, Returning Home From Work, All Was Fine Went Outside Around 9:00pm And Saw Only My Passenger Turn Signal Was On...

2000 Gmc Sierra V8 Signal Light Flashes Rapidly Some Times But Not Always. Any Ideas? Flasher? Electrical Short? Thanks!

My Left Turn Signal Blinks Fast And The Left Brake Light Does Not Work. I Tried Replacing The Front Turn Signal Bulb As Well As The Brake...

My Rear Left Turn Signal And Brake Light Did Not Work, It Is Not The Bulb. I Replaced The Curcuit Board And They Still Did Not Work. I...