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  #1  
Old 01-22-2009
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97 Ranger Cruise Control Not Working

I searched the forums and did not find anything relating to the 97 model. Iam having issues with my cruise control. It will not engage at all. Does my model year have a vacume hose commig off the servo? I did not see one on mine, just a wiring harness.


I replaced the steering wheel pods/buttons.

The cruise control "light" will come on when I engage it, but the servo does not seem to work. I checked the fuses, all of them are good.

I believe the brake switch is good, because the cruise light goes out when I press the brake peddle.

My horn works fine.

I think the following might be bad:

Servo or the master cylinder switch.

How can i test the master cylinder switch to see if it is good? I know the 1998 modles have the recall, but not on my 1997. I read in a previous thread to disconnect the harness and jump it with a paperclip. Can I do that on my model? I do not want to mess anything up.

Also, if the clockspring was bad, my horm wouild not work and the cruise control light on the dash would not light, right? It seems to be getting the signal when I press the buttons, but no cruise.

I even tried the test where you prerss the buttons to have the cruise light flash, but mine will not go into the test mode. Maybe the cruise computer is bad? Where should i start first?

Thanks...
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Old 01-22-2009
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Idk what kind you have exactly but check to see if the cable going from the servo to the throttle is still in one piece.
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Old 01-23-2009
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I did check that cable in both places (at the servo and linkage). It is intact. maybe there is a way to test the servo and see if the cable will actually move? Or, to see if the servo is getting the signal to move the cable?
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Old 01-23-2009
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Clockspring is good if the light comes on.

Sounds like a bad cruise servo.

Yes, you can jumper the MC switch, make sure you insulate it so it doesn't short to ground. I don't think this is your problem since that switch cancels the light.

I found this: See post #11 from Bob. I think that test works for yours.

http://www.explorerforum.com/forums/...e+control+test

Last edited by Earl43P; 01-23-2009 at 09:35 AM.
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  #5  
Old 01-30-2009
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Icon7

Earl, You were correct. I replaced my servo unit under the hood and the cruise control works great. I took apart the old unit and the gears would not even move. The motor was siezed.

Thanks to everyone who helped..
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