What do these do?
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,578
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
First photo is of the diagnostic plugs that the factory tester plugged into and could also be used with a volt/ohmeter.
Second photo is of the dump valve for when the front axle shift motor goes from 2wd to 4wd and back.
Second photo is of the dump valve for when the front axle shift motor goes from 2wd to 4wd and back.


