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It has the chrome "T" handle to shift into low. So it definitely is NOT QT1. But's its possible that it could be QD2 which is even better than QT2, so you should be good either way.
 

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A foolproof way is to count the # of bolts on the rear differential cover. If it has 12 bolts, its QD-II with an electronic locker; if it has 10 bolts, than its QT-II with 4low/high but no lockers.
 

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A foolproof way is to count the # of bolts on the rear differential cover. If it has 12 bolts, its QD-II with an electronic locker; if it has 10 bolts, than its QT-II with 4low/high but no lockers.
Actually the QD-II does more than just lock, it will do limited slip and vary the amount of limited slip as well as lock.

All three 4X4 Systems have the Brake Controll System that does stability and traction as well. The BCS functions are NOT as good as a locker, but certainly help prevent wheels from spinning from loss of traction, like a virtual LSD.

So, don't think if you get open differentials its no good off road, the BCS will help manage the slipping wheels and keep it moving a lot like you have LSD's.
 
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