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Posted

I'm sure I'm doing something wrong or I've misunderstood something, but I can't get LED tail light bulbs to work without hyperflashing.  2018 Silverado 1500 LT.

 

These are the bulbs I bought:

 

https://www.amazon.com/gp/product/B071YZQGTS/ref=ppx_yo_dt_b_asin_title_o03_s00?ie=UTF8&psc=1

 

I first installed them with 6ohm resistors and that didn't work.  I remember reading a post by someone who switched to 3ohm resistors and that worked, so I tried that.  It still hyperflashes and I get the error message on the screen.  I've tried wiring them as an add-on to the bulb wires and also in line with the wires, so the current has to go through them. I've tried one resistor per bulb and also one resistor per side.  Nothing works.  I get a normal flash for about 4 beats then it goes into hyperflash every time.

 

What am I doing wrong?  

Posted

NEVER MIND!  I foolishly went by memory regarding the installation instructions from a few weeks ago. I was connecting the resistors incorrectly, just adding them to the positive wire without grounding one end.

 

I did learn that if you're using 3ohm resistors, only one per side is needed, not one per bulb.

   

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