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E4od Not Going Into First Gear When In D

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  #16  
Old 08-01-2007, 10:15 AM
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One thing you may want to inspect is the wiring for the od cancel button.check the
wiring where it passes through the shift lever by the pivot pin.they are prone to
chaffing,and I have seen erratic shifting concerns caused by this.
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  #17  
Old 08-01-2007, 10:18 AM
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One thing you may want to inspect is the wiring for the od cancel button.check the wiring where it passes through the shift lever by the pivot pin.they are prone to chaffing,and I have seen erratic shifting concerns caused by this.
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  #18  
Old 05-03-2017, 04:11 PM
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I have a 92 f150 e4od rebuilt tranny and it has no 1st gear when put in drive (D) it will go but you have to apply the accelerator almost to the floor. so I assume it's an electrical issue . Because I had another trans in the truck and it did the same thing . I read my codes and all of them are electrical faults that only have to do with the transmission . every part in transmission was replaced, What could it be
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  #19  
Old 05-03-2017, 09:55 PM
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It could be something electrical. With the little bit of information in your post that's about as specific as I can get. If I knew what codes were stored I could get much more specific.
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Old 05-04-2017, 04:01 PM
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i have codes 637 , 621 , 622 , 629 , 626 , 624 , but everything has been replaced inside and the mlps , vss and eec relay
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Old 05-04-2017, 04:26 PM
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If all the parts have been replaced the problem is in the wiring harness. There is about a 1% chance it's a bad PCM.
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Old 05-04-2017, 05:23 PM
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Yeah I already replaced the pcm as well
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  #23  
Old 05-04-2017, 07:47 PM
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Going to check wires tomorrow

I'm gonna check the harness that plugs into the mlps and make sure all my points are fully contacting the points on the mlps I'll let ya know how that works
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  #24  
Old 05-04-2017, 10:17 PM
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That's a start, but you need to do much more than that. You need to know if the harness has electrical continuity from one end to the other.
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Old 05-04-2017, 10:24 PM
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Yes I checked for resistance today and couldn't find out how to get the ohms reading on pin # 359 as the negative lead and pin #199 on the positive lead to see what readings I get in PRND12
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Old 05-04-2017, 10:40 PM
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I wasn't sure if the engine had be running to get the readings
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Old 05-05-2017, 01:40 PM
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I found this splice in the harness it's (2) gray and red wires going into (1) gray and red wire .Its the signal return wire for the mlps ,pin # 359 .would you know if that is the factory or previous owner splice
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Old 05-05-2017, 04:43 PM
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I removed the harness from the transmission all the way up to the fire wall and did a continuity test and all checked good there , I'm lost on where to go now
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