99 & up 7.3L Power Stroke Engine and DrivetrainDiscussion of the 99 & up 7.3L Power Stroke diesel engine and drivetrain in the 1999-Up Super Duty trucks and Excursions. No gas engine discussion allowed except on transmissions and drivetrain that pertain to all models. Please confine discussion of topics in this forum to those items that are specific to the 7.3L Power Stroke engine.
Hope someone can help. My OD switch has suddenly stopped working. No OD light when I press the button and no downshift. [img]/ubbthreads/images/graemlins/shrug.gif[/img] I looked at my manual for a fuse # that would correspond with the transmission or Overdirive, but no luck. Everything else seems to work fine. [img]/ubbthreads/images/graemlins/confused.gif[/img]
The wire probably shorted out where it enters the shifter. You have to replace the whole shifter. I tried fixing mine and ended up breaking the wire completely and shorting out the fuse.
Yep, that's what it was. Seems to be a common problem. I can't believe how many posts there's been about this in the last few weeks. I cut the offending wires and soldered them back together and then wrapped a piece of conduit around the wire to prevent further chafing. Easier and cheaper than replacing the stalk. [img]/ubbthreads/images/graemlins/shrug.gif[/img] Anyway, all is now well. [img]/ubbthreads/images/graemlins/cool.gif[/img]
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Yep, that's what it was. Seems to be a common problem. I can't believe how many posts there's been about this in the last few weeks. I cut the offending wires and soldered them back together and then wrapped a piece of conduit around the wire to prevent further chafing. Easier and cheaper than replacing the stalk. [img]/ubbthreads/images/graemlins/shrug.gif[/img] Anyway, all is now well. [img]/ubbthreads/images/graemlins/cool.gif[/img]
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Lucky you, mine broke inside the shifter. Where did yours break? Or is there a way to get the wire out of the shifter, and then back in? hmmmmmm
It's been a while since I've done mine, but if I remember correctly I cut all three wires and pulled them out of the shifter to add a little extra length. Put the assembly back in, attached the connector and done.
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'02 F350 CC LB XLT 4WD SRW 335,000mi no mods
'03 F350 CC LB Lariat SRW 90,000mi
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It's been a while since I've done mine, but if I remember correctly I cut all three wires and pulled them out of the shifter to add a little extra length. Put the assembly back in, attached the connector and done.
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Huh [img]/ubbthreads/images/graemlins/shrug.gif[/img] mine only has one wire, black w/pink trace IIRC.
I really would like to know if this can be done. Did you pull the assembly off the end of the shifter and pull the wire(s) through that way?
Three wires in mine Gregrob. They were wound together and sheathed in a rubber insulation. Only one of the three wires was rubbed through and shorting against the metal assembly at the base of the stalk (just before it enters the stalk). I can't imagine how much I would have been pulling my hair out trying to troubleshoot this problem.
Just another example how this website is such a lifesaver! [img]/ubbthreads/images/graemlins/cool.gif[/img]
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