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no overdrive

1804 Views 1 Reply 2 Participants Last post by  strokenit
Hello, I'm new to this site so I hope this question makes since. I have a 96 f-250 4wd with automatic transmission. I cant get it into overdrive. I have replaced the o.d. button and taken out the shifter handle and checked the wires and they are good. Here is where it gets confusing, I can use a jumper wire to get it into overdrive by holding one end into pin hole #2 and going to pin hole #1 then keeping wire in pin hole #2 move the other end into pin hole #3 then remove the wire completely. It will work until I turn off the truck but once I do, I have to repeat the process to get overdrive. I was thinking P.C.M. ???? any help would be appreciated. Thank You.
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I am having the exact same problem. I did read that one of the wires is a ground. One goes to the PCM and one goes to the fuse panel. Can't remember which was which. Did you ever find out what was wrong?
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