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1983 - 2012 Ranger & B-Series All Ford Ranger and Mazda B-Series models

5R55E wiring question

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Old Oct 12, 2019 | 11:25 PM
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5R55E wiring question

Transmission is from an 03 sport trac and I plan on using it in my 99 Ranger. I know have to change the MPLS and the rearmost plug I don't need to use (trans will function as a 4 speed only)
The blue plug for the valve body solenoids is the same, so good there.
What is the two wire green plug? I have found several people that have done this but no reference to the green plug or what it's for. I'm guessing a temp sensor but that's just a guess. *edit* it's the ISS sensor
 
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Old Oct 15, 2019 | 10:51 AM
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You can leave that unplugged, some vehicles require that speed sensor so if yours doesn't have that sensor don't worry about it.
 
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Old Apr 29, 2020 | 11:18 PM
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An update to this:
I changed the bell housing from 4.0L to 3.0L and installed it in a 1999 Ranger. It used two of the plugs ( green plug and the black at the upper right weren't used) It works as it normally would with no issues yet.

edit: I changed the neutral switch to the older style as well.
 
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