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-   -   4X4 control computer (http://www.jeepgarage.org/f203/4x4-control-computer-31083.html)

dhryan44 11-13-2011 10:53 PM

4X4 control computer
 
where is the 4 wheel drive control computer on a 2004 XJ. Im wanting to modify my electronic locking diff. so that i can engage in 2 wheel drive as well as in 4 wheel. I am needing some help with finding the control and any other advice you guys might have out there

let me know thanks.

dhryan44 11-13-2011 10:55 PM

Re: 4X4 control computer
 
i ment WJ

StephenE 11-13-2011 11:00 PM

Re: 4X4 control computer
 
ELSDs were not on WJs, they were on the WKs.

http://www.wkjeeps.com/wk_4x4.htm


The WJ did have Quadra-drive (Varilok axles) http://www.wjjeeps.com/tcases.htm

01grand 11-14-2011 10:07 AM

Re: 4X4 control computer
 
The 4x4 system in the WJ's is all mechanical, no electronic parts. There is nothing you can change. Since you mention 2 wheel drive I am guessing you have selec-trac with the trac-lok rear axle, the locking axle should engage independent of your 2 or 4 wheel selection on the transfer case.

Frango100 11-14-2011 10:46 AM

Re: 4X4 control computer
 
The trac-lok or vari-lok inside the diffs is a mechanical device which will lock the diff in case of a certain speed difference of the 2 wheels on the same axle. Because you already create a speed difference when making a turn (inner wheel travels less distance thus rotates slower then outer wheel), these diffs need the limited slip additive in the fluid to allow a certain speed difference. Otherwise one of the wheels will slip.


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