SPONSORED LINKS

Transmission wiring diagram needed please?

Tiny
MFITZGERALD
  • MEMBER
  • 1999 FORD F-250
  • 7.3L
  • 4WD
  • 200,000 MILES
Needing to replace my neutral safety switch wiring and check wiring for whole transmission.
Saturday, April 25th, 2020 AT 12:24 PM

17 Replies

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
I attached the wiring diagrams from Ford on the transmission. Let me know if you need more info and we can get it for you. Thanks

FYI - The neutral safety switch on an automatic is called a digital transmission range sensor. Others call it a transmission position switch or just a range sensor.
Images (Click to make bigger)
Thumb
Thumb
Thumb
Thumb
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
-1
Saturday, April 25th, 2020 AT 12:53 PM
Tiny
FORDRIDINHIGH88
  • MEMBER
  • 1 POST
  • 1992 FORD F-250
  • 130,000 MILES
I have a 92 f-250 7.3L diesel and the wiring harness from the transmission somehow got wrapped around the axle and pulled some of the wires out of place. I can not find this particular wiring diagram anywhere is there any place that it can be located.

Thanks!
Was this
answer
helpful?
Yes
No
+1
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Hello,

Here are the transmission wiring diagrams and a guide to help you test the connections.

https://www.2carpros.com/articles/how-to-check-wiring

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
Images (Click to make bigger)
Thumb
Thumb
Thumb
Thumb
Thumb
Was this
answer
helpful?
Yes
No
+4
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
J.STIEG
  • MEMBER
  • 352 POSTS
  • 1992 FORD F-250
  • 175,000 MILES
I am having some problems with my 92 ford truck I just put a transmission in it from a 94. I think the torque convertor lockes up right after I put it in gear. Connectors fit but looked different. Diagrams would help. Thanks!
Was this
answer
helpful?
Yes
No
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Do wire colors in plugs match?
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
-1
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
J.STIEG
  • MEMBER
  • 352 POSTS
There are only wires on one side.
Was this
answer
helpful?
Yes
No
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
And did you do any research as to interchangability before the swap?
Was this
answer
helpful?
Yes
No
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
What motor is in it. It's 2 or 4wd?
Was this
answer
helpful?
Yes
No
-2
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
J.STIEG
  • MEMBER
  • 352 POSTS
The salvage yard matched it up for me. It has a 5.0l engine. Maybe the range sensor is messed up or the wrong one.

I just need a diagram so I can see what I have. Can you help?
Was this
answer
helpful?
Yes
No
+1
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
J.STIEG
  • MEMBER
  • 352 POSTS
4wd as well.
Was this
answer
helpful?
Yes
No
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Did you consider switching range sensors?
Was this
answer
helpful?
Yes
No
+1
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
J.STIEG
  • MEMBER
  • 352 POSTS
Yes, I will call the salvage yard tomorrow to see if they still have it. The truck will barely take off
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Does this help?
Image (Click to make bigger)
Thumb
Was this
answer
helpful?
Yes
No
-1
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
That was 94 schematic, here is 92.
Image (Click to make bigger)
Thumb
Was this
answer
helpful?
Yes
No
+1
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
J.STIEG
  • MEMBER
  • 352 POSTS
I found out whats going on but not shure whats causing it. The engine is only running on 4 cylinders at times. The computers ground pulse is cutting out on cylinders 2, 3, 6, and 7. This is all happened when I put the transmission in. Truck runs bad now, Any ideas to further troubleshoot this problem?
Was this
answer
helpful?
Yes
No
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
J.STIEG
  • MEMBER
  • 352 POSTS
I forgot to mention that it was the fuel injectors that are not being driven by computer.
Was this
answer
helpful?
Yes
No
Monday, July 27th, 2020 AT 5:11 PM (Merged)
Tiny
FIXITMR
  • MECHANIC
  • 9,990 POSTS
Those cylinders are ground bank #2 from computer the other 4 cylinders are bank 1. Check output right at computer pin 69 (white wire) next to it is pin 68 (tan wire bank #1) if good wiring/connections are suspect.
Was this
answer
helpful?
Yes
No
Monday, July 27th, 2020 AT 5:11 PM (Merged)

Please login or register to post a reply.

Related Transmission Wiring Content

VIEW MORE

Sponsored links