Anyone have a wiring diagram/ and or a physical description of the overdrive off button. IE: where does the wiring go into the transmission? or does it go to the PCM? I have to do some troubleshooting so I need to know. Thank you.
Wiring diagram
- Thread starter chris
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Frogman
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It looks like the Overdrive switch feeds into the PCM through Pin 29 Circuit 224.
What's it doing or not doing?
What's it doing or not doing?
Its not disengaging the OD. I've inspected the switch and wiring into the center console but I didnt know where it physically went from there. Thank you for the diagram. 
I'll tell ya what, car diagrams are a hell of a lot different from the aircraft diagrams I work from.
I'll tell ya what, car diagrams are a hell of a lot different from the aircraft diagrams I work from.
Frogman
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Sounds like the dreaded O/D wire chaff problem that a lot of people have gone through. I'd get a new O/D switch harness, and call it good. (well, after you replace it)