1993 Mustang 2.3 L Automatic A4LD Transmission - Help

SuperSayow

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Mar 3, 2019
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Hi,
We took my sons 1993 Fox in to a transmission shop to do a transmission swap. The replacement is a used transmission from a 1989 Fox. All indications is that this is a reliable swap with no major issues. However, the shop mechanics installed the transmission before checking any connections. They are claiming that the 1993 Fox has 3 connections while the 89 only has 2 connections which is leaving a third with no where to connect. I only spoke with them over the phone but I do not understand entirely what the issue is. I have looked at the harness connections to buy of the web and all show only two connections. Is it possible that they are talking about pins in the connections themselves. I am doing as much investigation as possible but cannot physically see the problem until Monday. The 1989 transmission is in and on the rack but they cannot connect the harness. I am not understanding this issue and can find no other threads on this occurrence by other posters.
HELP!
 
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91TwighlightGT

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Car-part shows that they should interchange... to be clear, did this replacement transmission come out of another 2.3l? The 5.0l cars use the AOD which is different.
 

SuperSayow

New Member
Mar 3, 2019
3
0
1
52
Washington
Car-part shows that they should interchange... to be clear, did this replacement transmission come out of another 2.3l? The 5.0l cars use the AOD which is different.
it did come out of the an 89 2.3L and you are correct is the AOD. I found something that talks about a solenoid conversion starting in '88 that created wire differences.
 
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