Fast Blinker - 2000 Silverado

[GMC-AT]

All bulbs are working lighting up fine, both blinkers are working fine....it's just one side blinks real fast . Any ideas? 

 

[muddkatt]

Didn't use LED bulbs did you?

 

[GMC-AT]

plan old stock bulbs.  Even though they appear to be good, thinking about changing them to see if fixes..

[O_J_Simpson]

A bulb is bad on that side. Swap them all out.

[insidethreat07]

A bulb is bad somewhere. I used LEDs and a different flasher for mine

[muddkatt]

Then you have a bad bulb or socket on that side.

[GMC-AT]

I'll replace the bulb and blinker fluid later today and report back. 

[GMC-AT]

ok.. changed out the rear bulb, no help. Noticed  the front parking lights wasn't blinking - however, the light was working on the parking light function, but wouldn't blink when I turned on the blinker.  Anyway, I changed the bulb, no help.  After that I pulled the bulb back out and put back in reversed.. fixed! 

The issues was either 1. The bulb was in the wrong way ( didn't know these bulbs have reverse polarity? )

2. I noticed a some corrosion inside of the bulb socket. Maybe when I removed and reversed it got a better connection ?

 

Either way.. it's good now.