Can you guys please shed some light on the differences between rear end options. I currently have a 2005 4x4 with limited slip 3.73 rear. It has 4high, 4 low and 2 wheel. I have been very happy with the truck and never had it stuck despite driving in lots of mud and snow. Not sure what to get in my 2015 crew 4x4. I test drove a lariat today and the salesman indicated the locker position for the rear end. Am I correct to assume that if I buy the standard rear end it's a "non limited slip" which means that only one back tire will spin at a time. If I jump to an electronic locking rear does that mean I have to activate this via dial or button to lock both rear wheels into spinning at once. My most recent application this was while I was pulling out of an icy parking lot into traffic. In 2h I was spinning and it became dangerous to pull out. I switched to 4h once I hit blacktop I switched to 2h. If I had a new truck with the e locker would I also have to switch it on and then disengage it once I was on blacktop. If so I don't see the application for me. I would just use auto 4 or 4h. Does my current 2005 with the limited slip also only give power to one wheel at a time or will it spin both back tires.
Thanks Tony

 

If you have snow and or mud or rain get the locker. Trust me. Open differential only one spins. Limited slip one spins and the other one kicks in a bit. Locker both spin at the same time.

 

nothing wrong with what you're doing now, put it in 4wd, take it back out once you're on the road. is it perfect? no. but it works.

the locker is no better. you're pulling out into traffic so you're turning. The inside wheel travels less distance through a turn, the locker means it has to make the same number of revolutions though...

either way something has to spin or slide.