2011 Silverado LED turn signal install

schlegle1 · June 12, 2015

hey there, Ive been trying to figure out the install for the LED front turn signals on my 2011 Silverado. I have installed resistors a few different ways, all of which tend to hyper flash in the end. I have a pair of 50w resistors and a pair of 25w resistors. Ive tried many different combos of the two and still can't correct the hyper flash. Ive 50w wired in at the main connector and 25w at each of the bulbs, seemed to correct hyper flash when sitting idling using turn signals, however as soon as i would drive the truck it would hyper flash. Ive also tried "stacking" the resistors per another post i found to which i wired them both in at the main turn signal wire (blue w/ white stripe) and grounded them to the radiator core support, this seemed to correct my hyper flash again until i drove the vehicle and it would hyper flash right away. Im completely lost here and could really use some help with this. Its such a simple concept however i just can't get it right.

WilliamBos · June 12, 2015

Gonna follow along here, want to do the same.

schlegle1 · June 14, 2015

bump.

BlackZ71Silverado · June 14, 2015

Can't you find a 'plug n play' type LED bulb that would be a direct replacement for the factory 4157NA?

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schlegle1 · June 15, 2015

Not to my knowledge, either way I have to use a resistor

BlackZ71Silverado · June 15, 2015

Hope you get it worked out. I just got LED's for my interior and they were direct replacements for the standard bulbs. I wasn't sure how others would work, I never had anything but standard bulbs in my pickups.

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schlegle1 · June 19, 2015

bump. anyone?

Gurrzt · June 21, 2015

Can't you find a 'plug n play' type LED bulb that would be a direct replacement for the factory 4157NA?

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The bulbs you want ARE out there, on the packaging they will say "with CAB Bus", they are truly "plug & pray"

schlegle1 · June 22, 2015

thats good to know, i didn't know you could purchase LED bulbs that had everything built in. However my issue still lies in that I already have everything (bulbs and resistors) purchased and "used" because I've tried installing them. So I'm hoping to get help working with what I've already got.