signal

Hello all. First let me say a huge thanks to all of you. I've been a quiet viewer of this forum for years now and many of you all's insight has helped me through troubling times with my truck. Now for the question at hand, I will keep it short, sweet, and simple. I sincerely apologize if this...

I want to convert my tail lights from 2 bulb to 3 bulb. I've read and been told I need the pigtail harness as well as the multifunction switch. Is that all that's needed? I can't find an answer or anyone on this forum who has every done this or even attempted it. I feel like the best way to do...