12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

98 12 valve auto cruise control problem

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  #11  
Old 07-28-2011, 05:03 AM
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Default Tonight

Thanks Dave O with any luck I'll try this tonight and post the results.
 
  #12  
Old 07-28-2011, 02:09 PM
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Sounds good.
 
  #13  
Old 07-30-2011, 01:34 PM
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Default No Power

Well I'm checking this now and another clue maybe that I have to push the cruise on button four times before the cruise light will stay lit. Then when I check pin 3 (I checked both middle terminals thinking one of them was pin 3) There is no power there. Seems weird that all the buttons I press for cruise need to be pressed repeatedly until they try and work.

---AutoMerged DoublePost---

The wire continuity check from the brake stop switch to the cruise control servo is good. Going to get a brake stop switch and see if that takes care of it.

---AutoMerged DoublePost---

Thank You Dave O without your help I'm not sure I would have figured this out! The brake light or brake stop switch under the dash was the culprit. One thing that lead me astray was I saw a post which said if the brake stop switch is the culprit you can lift up on the brake pedal and the cruise will work. Well in this case it didn't work for me.

Thanks again DaveO
 

Last edited by racin_ny; 07-30-2011 at 01:35 PM. Reason: Automerged Doublepost
  #14  
Old 07-30-2011, 02:01 PM
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glad you let us know what fixed your problem
 
  #15  
Old 07-30-2011, 05:16 PM
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Glad I could help. And yes, thanks for posting what it was too.
 
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