1992 F250 4x4 Cummins Conversion
I have the toggle set for "auto on" and "off". The AC pressure switch in the second link is what automatically shifts the trans into OD if I leave the toggle switch in the "on" position.
Sweet! You made my life easier and now I can sleep at night! I'm in Sacramento gotta unload in am then reload for wa and go home for the day to work on it in the cold 104*F heat! 
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By the way the factory od pressure switch is that the one on the drivers side tail end?

---AutoMerged DoublePost---
By the way the factory od pressure switch is that the one on the drivers side tail end?
Last edited by C16 power; Aug 25, 2010 at 03:09 AM. Reason: Automerged Doublepost




Way better than the one I built.