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Old 09-19-2013, 09:34 AM   #1
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Auburn ECTED Electrically Activated Locker

Hey guys,

I'm looking to install a locker in my 2013 JKU Sport. Lots of talk on here about the front dana 30 eventually breaking and I don't want to spend $1900 on the dana 30 max/ARB locker kit that quadratec sells. I'm thinking the rear is my best option but my jeep is also my dd and I work from home so on occasionally on bad weather days my wife would drive it to work. I fear that if I take out the LSD and switch it with a locker I might be able to manage driving it on rough days but I wouldn't feel safe having her driving an open diff jeep or engaging lockers since she doesn't have a lot of experience. I found the Auburn ECTED locker. It seems to be the only locker on the market that is a LSD when not engaged but searching the forums I don't hear much talk about it. It seems to be the answer to my problem. Anyone use one in a newer JK that can comment on them?

ECTED Electrically Activated Locker for 07-14 Jeep® Wrangler & Wrangler Unlimited JK with Dana 44 Rear Axle - Quadratec


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Old 09-19-2013, 10:14 AM   #2
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I installed one in my JK this spring. It's my daily driver so I've put a lot of time on it. Mostly on the road but I've taken it off road a couple of times since installing it.

It's really great on road. You don't really notice it at all. There's a couple of corners on hills where I would chirp a tire starting out after stopping and it doesn't do that at all now. I haven't yet had a chance to test it out in the snow. But given the traction control that comes in the JK(U) there is a lot of debate about how much you really need a limited slip. I'll let others argue about that.

When I upgraded I did gears and tires at the same time. So between trips off road I went from the factory sport tires to Duratracs at the same time as adding the ECTED so I can't comment on how it does with improving traction all by itself in limited slip mode. I did get much better traction but no small part of that was the tires.

It locks up my 35" tires just fine when I hit the switch. We only have mud here though so it's an incomplete evaluation. The true test would be on the rocks where one of the two tires has full traction and the other has none. I'm trying to work out a trip to Moab next year some time so I can really get out and play with it.

It's important to know that there is a difference between the axle on the sport/sahara and the one in the Rubicon. You absolutely have to get a 30 spline ECTED for the sport/sahara. The 32 and 35 spline version will only fit in the Rubicon axles. Trust me. I tried.

Overall, I'm happy with the ECTED. Well, except for the hit on the wallet. Given the choice between it and the other selectable lockers I'd pick the ECTED again.

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Old 09-19-2013, 10:36 AM   #3
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Thanks! That helps a lot. It seems like the best of both worlds so I was surprised I didn't read more about people using them. I'm planning on jumping to 33" duratracs by the end of the year so I'll probably do both at the same time.
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Old 09-19-2013, 11:35 AM   #4
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A lot of people don't use it for two reasons. The first being they had some issues when they first came out. The design flaws have been fixed so the problems aren't there any more but once you get a reputation it's hard to shed it.

The second reason is that it's not a "true" locker. All they do is compress the clutch packs to keep things from spinning. Add horsepower and big tires and it doesn't hold as well, especially when one tire has great traction.

I think it's a great locker for the daily driver and casual wheeler. Their website said the Dana 44 locker should hold up to a 37" tire and that's as much as I'm going to run on the stock axles. If I go bigger I'm swapping in 60's.

Oh, and a couple things to note. Like any D44 locker, the JK D44 uses the standard D44 3.73 and down carrier for 4.10 and up gear sets. Also, the ECTED needs to have the holes for the ring gear bolts enlarged. Expect to spend a little time with a drill press when installing it.
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2012 JK - 3.6/NSG370/NP241/D30/D44 - Grimm Jeeper
1986 J10 - 360/700R4/NP208/D44HD/D60FF - Truck Norris

My gear ratio calculator
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