1998 expedition
Post Fiend
Joined: Jun 2003
Posts: 5,983
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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.
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.
Hotshot
Joined: Jan 2004
Posts: 19,767
Likes: 1,082
From: St Louis
Originally Posted by Johnson9800
OD switch does nothing when pressed well experienced mechanic where do I need to look first
Pull the shroud and check the switch continuity.
Also, check F29.
Steve
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New User
Joined: Feb 2006
Posts: 2
Likes: 0
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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