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1990 laredo factory cruise control not working

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Old Apr 26, 2012 | 11:19 PM
  #1  
Mountain Mule's Avatar
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Year: 1990
Model: Cherokee
Engine: 4.0
Default 1990 laredo factory cruise control not working

O.k. guys.... Replaced the turn signal lever, replaced the brake switch, vents switch back and forth with no problems so it's not the little 6 inch vacuum line under the battery.... What would you look at next? The servo? Help me out please... Oh, and if you COULD... Would you tell me WHERE to use my test light on the cruise system to make sure it's getting power? Thanks folks!!
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Old Apr 27, 2012 | 12:32 AM
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Radi's Avatar
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Here's the wiring diagram. It's for an 88 but I believe 90 is identical.
When you can't find the fuse...it's because they've cleverly labeled it as "Inst Cluster", lol.

Link to the complete cruise control manual (again, for an 88, but identical):
http://jeepgarage.free.fr/OWN/cruise...l%20system.pdf
Attached Thumbnails 1990 laredo factory cruise control not working-88-cherokee-cruise-wiring.jpg  

Last edited by Radi; Apr 27, 2012 at 12:38 AM.
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