Check out the diagrams (Below). Please let us know what happens.
Images (Click to enlarge)
Apr 17, 2014 at 7:20 AM
BOOPERIII
MEMBER
1 POST
Thank you for this post I had this problem and had to get a new encoder because the fuse kept blowing.
Jul 18, 2019 at 11:11 AM
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RKC5150
MEMBER
3 POSTS
With a 2000 Bravada (Smarttrak) in PARK, if I lift the front end, should the front tire spin freely? Or if it does not, is that an indication it is stuck in 4WD?
Jul 18, 2019 at 11:12 AM
(Merged)
RACEFAN966
CERTIFIED EXPERT
5,029 POSTS
This means nothing with this system. It will free spin untill it the wheel speed sensors tell the computer there is a speed difference and then it will tell the automatic transfer case control module (ATCM) to lock in the transfer case and then within mili seconds you have 4x4. So that is how the system works in basic terms.