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1998 expedition

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Old Feb 25, 2006 | 11:47 AM
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1998 expedition

OD switch does nothing when pressed well experienced mechanic where do I need to look first
 
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Old Feb 25, 2006 | 05:36 PM
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Old Feb 25, 2006 | 06:03 PM
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Welcome Johnson9800!

I take it you are expecting the RPM's to rise when traveling at highway speed (why you said 'nothing happens').

Are you driving at a high enough speed that the transmission has entered an OD state?

(I know silly questions but I have to ask.)

My only guess would be faulty wiring, perhaps some folks who are more literate with transmission operation can jump in here.
 
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Old Feb 25, 2006 | 07:18 PM
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Nothing at all? No O/D light on the shifter?
 
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Old Feb 26, 2006 | 08:27 AM
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Originally Posted by Johnson9800
OD switch does nothing when pressed well experienced mechanic where do I need to look first
Probably faulty wiring leading from the switch to the column.

Pull the shroud and check the switch continuity.

Also, check F29.

Steve
 
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Old Feb 26, 2006 | 10:51 AM
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I can be running 75 with no load in overdrive and when I press the button nothing happens. No down shifting out of overdrive, no light comes on, nothing. Just bought the expedition a month ago. Like to get some input before tracing for the problem for hours.
 
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