I dont come on here much but sometimes I check out the site. Anyways I saw your having a locker light randomly flashing. I had the exact issue with the front locker light randomly flashing at random times for about three months on my 18 with about 18,000 miles on it. Now my truck could go days without doing it then do it nonstop and trust me it was really random. So I figured this out myself by tracing all the connectors that have anything to do with the lockers or sway bar disconnect. I ended up finding out that the dealer who sold me this truck or owner or even the factory which I dont believe had cut the front harness that went into the front axle for the locker. It was hidden so well I didn't find it till I got the lum off to see that all four wires in there were cut at some point and the ******* tec who is incompetent did a half ass fix by using no solder and only twisting the wires together. Now that's great on an area with a ton of vibration. So then the heat shrink wasnt sealed all the way on the wires. So what do you think happened? When I went through the carwash or drove in the rain moisture got under the lum and down in the heat shrink that wasnt sealed causing all my issues. I thought about it all and it seemed to happen more after rain or the carwash so it all made sense. I ended up doing a quick fix before a hurricane hit by soldering it and actually sealing that heat shrink and all was perfect. I did however buy a whole new harness for peace of mind and it's been flawless. I still have some pics of the hack job the person did and the harness before it comes down to the front diff and even a pic of the axle light blinking while lit unlocked. Good luck hope this helps.To hopefully (fingers crossed) close the book on this, my axle unlock light hasn't blinked in a couple weeks. While I was installing a cat-back exhaust a couple weeks ago, I checked the electronic connections to the diff and they seemed tight. Maybe one wasn't and that was what was causing the light to blink. The dealer agrees that it shouldn't blink, but until it doesn't it consistently enough to troubleshoot there's nothing they can do (obviously).