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Unread 07-21-2010, 12:55 PM   #1
FLKRUZN
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2005 Rubicon Axle Locks

I've searched the forum so don't flame me please (Yes, I'm a newbie)

Is there an advantage to modifying the stock axle lockers to provide independent control of the front and rear lockers? The mods I have seen end up allowing the lockers to be set at any speed in any t-case position. Is this a worthwhile mod and what are the dangers?

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Unread 07-21-2010, 12:58 PM   #2
dcope17
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You have 3 positions already, Both open, rear locked and both locked.
You don't have the option to lock the front only.

At least that's the Rubi setup.
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Unread 07-21-2010, 01:15 PM   #3
FLKRUZN
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Ah I see. I thought they were either open or locked. Good to know; however, the modification allows me to control them independently.

Open
Front Locked
Rear Locked
Both Locked

My question is whether this is advantageous and whether the resulting ability to engage these at any speed and any t-case position is dangerous.

Thanks!
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Unread 07-21-2010, 01:19 PM   #4
Sundowner
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Sure, there are advantages...you get more precise control over which axle is locked and which isn't by being able to lock the front only. Some drivers like this, especially if they're doing more technical crawling. What I don't like, personally, is the speed-sensitive lockout override...I don't want someone hitting that switch accidentally on the highway.

Incidentally, it's not a modification to the locker itself...you're actually modifying the workings of the switch/relay.

If it helps, I thought about doing it and decided not to do so...I don't do a lot of crawling where I'd need a locked front and open rear, and I actually prefer the safety of the speed lockout. For now.
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Unread 07-21-2010, 01:39 PM   #5
-dirt-
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Quote:
Originally Posted by kupdegrove View Post
My question is whether this is advantageous and whether the resulting ability to engage these at any speed and any t-case position is dangerous.
I've done this mod. I don't feel it makes my Jeep more dangerous.

Say the locker switch is accidentally pressed while going down the highway.
#1 - It may not even engage.
#2 - Even if it does, it only locks the rear axle. You (or a passenger) would have to press it again to lock the front. Only then would steering be affected.
#3 - You can always just press up on the switch to disengage it.

There are "what-ifs" with everything in life. If you aren't comfortable with the mod don't do it. Same goes for bigger tire, lifts, etc.
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Unread 07-21-2010, 01:39 PM   #6
Xlr8n
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The main advantage to the mod is you can lock the rear in 2Wd, or front or rear in 4WH. Both helpful in snowy climates.

The popular version of the mod won't allow for engagement over 10mph as factory set but installing a separate inline toggle switch will prevent accidental engagment at speeds under 10mph as well which is a cheap and worthwhile step while the dash is already taken apart.
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Unread 07-21-2010, 01:40 PM   #7
FLKRUZN
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Thanks for the feedback sundowner! I had the same concerns about my wife or kids accidentally hitting the switch (even though it would be covered) on the highway. I won't be doing much rock crawling...more mud than anything because I live in South Florida.

Is there any advantage to the mod for mud or is it primarily just for rock crawling?
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Unread 07-21-2010, 01:42 PM   #8
-dirt-
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Locker + 4HI + mud = fun

The 241 4LO is generally considered too low for mud.
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Unread 07-21-2010, 02:01 PM   #9
FLKRUZN
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Thanks all! I think I'm going to give it a go. I'm leaning toward the mod in the attached. If I understand how this works, according to dirt_j00:

Quote:
#2 - Even if it does, it only locks the rear axle. You (or a passenger) would have to press it again to lock the front. Only then would steering be affected.
So, by flipping the switch, 1 press on the factory switch will lock the rears in 2H or 4H position under 10 mph and a second press will lock the front. Is this right?

Also, according to the write-up, I can remove the 10mph restriction entirely by bridging pin 1 in the attached setup. Is this a better approach for mud?

I appreciate all the help
7-21-2010-3-48-43-pm.jpg  
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Unread 07-21-2010, 02:07 PM   #10
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Quote:
Originally Posted by dirt_j00 View Post
Locker + 4HI + mud = fun

The 241 4LO is generally considered too low for mud.
Ive used the 4.1 in mud plenty of times. Sure its too low for general trail riding, but for pulling people out its great. And sometimes the mud we have hear is very sticky and sucks you down, I have to use low to get it moving again when 4HI just wouldnt get the torque to the wheels.
Quote:
Originally Posted by kupdegrove View Post
Thanks all! I think I'm going to give it a go. I'm leaning toward the mod in the attached. If I understand how this works, according to dirt_j00:



So, by flipping the switch, 1 press on the factory switch will lock the rears in 2H or 4H position under 10 mph and a second press will lock the front. Is this right?

Also, according to the write-up, I can remove the 10mph restriction entirely by bridging pin 1 in the attached setup. Is this a better approach for mud?

I appreciate all the help
This is what I did. It was great. I reccomend this to anyone doing sand, snow or mud, or high speed hill climbs.
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Unread 07-21-2010, 02:14 PM   #11
Xlr8n
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Quote:
Originally Posted by kupdegrove View Post
Thanks all! I think I'm going to give it a go. I'm leaning toward the mod in the attached. If I understand how this works, according to dirt_j00:



So, by flipping the switch, 1 press on the factory switch will lock the rears in 2H or 4H position under 10 mph and a second press will lock the front. Is this right?

Also, according to the write-up, I can remove the 10mph restriction entirely by bridging pin 1 in the attached setup. Is this a better approach for mud?

I appreciate all the help

The factory restriction simply keeps the locker from being engaged at speeds under 10mph but does not prohibit the lockers from staying engaged above that speed. Once they're locked, they stay locked until you release them via the switch.
From my perspective, there is no rational reason to want to attempt to engage the lockers above 10mph anyway as it would likely be a fine display of grinding and possible breakage, so I'm not sure why that method would be attractive??
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Unread 07-21-2010, 02:25 PM   #12
-dirt-
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Quote:
Originally Posted by kupdegrove View Post
So, by flipping the switch, 1 press on the factory switch will lock the rears in 2H or 4H position under 10 mph and a second press will lock the front. Is this right?
yes

Quote:
Originally Posted by kupdegrove View Post
Also, according to the write-up, I can remove the 10mph restriction entirely by bridging pin 1 in the attached setup.
yes

more/different info here: Rubi Locker Switch Bypass - 1
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Unread 07-21-2010, 02:28 PM   #13
-dirt-
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I assume you have this info: Rubicon Locker Bypass

But just in case you don't...there it is.
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Unread 07-21-2010, 02:28 PM   #14
FLKRUZN
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Quote:
From my perspective, there is no rational reason to want to attempt to engage the lockers above 10mph anyway as it would likely be a fine display of grinding and possible breakage, so I'm not sure why that method would be attractive??
Guess that answers my question, Thanks! Now all I need is my Jeep back from the shop...$%!# mechanic left the door open when he put it on the lift...CRUNCH!

Quote:
I assume you have this info: Rubicon Locker Bypass
Yep. That's the one I'm using. Thanks for the other version...the pictures are bigger ;-)
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Unread 07-21-2010, 02:40 PM   #15
-dirt-
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Food for thought: Has anyone installed an ARB and then put various defeat mechanisms on it?
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rubicon , locker , mod , modification , switch , override , tj , wrangler

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