2011 Silverado drivers side lower taillight not working

[ChevyZ71LT11]

I just installed all 4 taillight bulbs with new 3047 LED bulbs. Now the left lower bulb doesn't work besides when blinking (using the key fob, or turn signal). Also, regardless of having my left turn signal on  or my right, it will start blinking fast for both. Any idea how to fix this issue? Thanks!

 

Jared

[Niklasbraun]

Begin by inspecting the wiring and connections related to the left lower taillight. Sometimes a loose connection can cause these quirky issues.

Also, double-check if the LED bulbs are compatible with your Silverado model. Some vehicles can be a bit finicky with non-OEM bulbs, and that might be causing the hyperflash when signaling.

If the connections and bulb compatibility check out, it could be a good idea to inspect the taillight socket itself for any signs of corrosion or damage.

 

The fast blinking for both left and right signals could point to a hiccup with the flasher module or relay. These are the guys in charge of regulating the turn signal speed. Check if there's a specific LED flasher relay available for your Silverado model. Switching to an LED-compatible flasher could do the trick and solve the hyperflash issue.

Oh, and some LED conversions might need load resistors added to mimic the power draw of traditional bulbs. This can help prevent hyperflash problems. Check if your LED bulbs come with load resistors or if adding them separately sorts out the problem.