CDL Not Working Properly...?

Joined
Mar 30, 2003
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Here's a stumper:

My Center Diff Lock Switch lets me lock the center diff in high range, but it will NOT let me unlock the center diff in low range. I've tried the button several times, and it is consistent. I even tried driving around a little and it still would not unlock in low range (although I believe this only works for F/R difflocks).

The center difflock behaves properly when I shift from high to low range with the center diff unlocked (it locks the diff when I switch from high to low), and when i shift back into high it unlocks the center diff. It is just the unlock in low that isn't working. Any idea what the problem might be?
 
Joined
Apr 3, 2003
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Did you do Dan's mod (removing Pin7 on tranny control module - see Kenton's post below) ? It seems you overlooked it.

Hope this helps,
Frank.
 

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