Rollback and O/D light flashing - Ford Powerstroke Diesel Forum
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  #1  
Old 10-09-2013, 05:14 AM
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Rollback and O/D light flashing

I was at train tracks and my overdrive light came on after a little brake torquing and I stopped immediatly, and when the train passed, while in drive i rolled back before accelerating like a manual. I live near there so i went home shut it off and turned it back on light turned out seemed to drive normal. Any ideas?
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  #2  
Old 10-10-2013, 08:28 PM
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Anyone? Im driving 6 hours next weekend, and I don't want to break down during or before the trip
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Old 10-10-2013, 08:33 PM
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If I remember right, when the input speed sensor and output speed sensor get out of a "normal" range it will cause the o/d light to flash. I believe your trans was slipping even though you weren't moving. How does the trans fluid look/smell?
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Old 10-11-2013, 03:21 AM
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I didn't smell it yet, but the fluid looks perfect red. And I have been driving for a few days without any problems.
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Old 11-01-2013, 05:08 AM
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Well I was expierencing problems again last friday and pulled over and shut it off, to turn it back on. The lights on the dash came on, I waited for the wait to start light to go out, then once I turned the key, it clicked, and everything died. Turned out it was a loose connection from the battery to the inner fender ground. I fixed that and that has been the last of the overdrive light problems. So I am assuming all of the transmission problems was from the ground, not giving good power to a computer for the transmission, causing all of that BS.
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Old 11-18-2013, 11:39 AM
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update on the trans, CHECK THE GROUND!!! Ever since I tightened it back up, its fine haven't had a single issue!
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Old 04-10-2014, 08:53 PM
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Still working fine?
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  #8  
Old 04-11-2014, 11:59 AM
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Yeah, I actually ended up replacing the whole ground strap with an integrated ground wire that goes to the fender (the oem one). Ever since had no problems!
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Old 04-12-2014, 07:04 PM
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Can you post a pic of the ground that you fixed thx
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4r100, auto, rolling, slipping, torque

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