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Swapping 1990 Bronco 2 automatic transmission to one out of 1992 explorer 4x4

Ozzy468

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Automatic
Good afternoon all. My friend took out his factory 1990 bronco 2 transmission in favor for one out of a 1992 explorer. This goes from 1 to 2 solenoid controlled sifting. Do I need to swap valve bodies??? Wiring ideas are much appreciated. Thank you!!!
 


franklin2

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Looks like you need a different computer setup and harness or you won't have a 3-4 shift. This is from the AL4D transmission article in the tech section.

Best I can tell from ATSG manual, the changeover date for single to dual solenoid versions occurred in mid '88 The single solenoid originally on the trans 85-87 controls only the TC lockup function. Later models had the 3-4 shift inhibit solenoid added in 88. And I have both a 90 2.9 A4LD and a 93 Explorer A4LD here, both have the dual solenoid setup.
 

RonD

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franklin2

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In the link below, the guy replying alludes to the fact you may be able to change out the valve body.

 

Ozzy468

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Nashville
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Ford bronco 2
Transmission
Automatic
Looks like you need a different computer setup and harness or you won't have a 3-4 shift. This is from the AL4D transmission article in the tech section.

Best I can tell from ATSG manual, the changeover date for single to dual solenoid versions occurred in mid '88 The single solenoid originally on the trans 85-87 controls only the TC lockup function. Later models had the 3-4 shift inhibit solenoid added in 88. And I have both a 90 2.9 A4LD and a 93 Explorer A4LD here, both have the dual solenoid setup.
Thank you
 

Ozzy468

New Member
Joined
Oct 10, 2022
Messages
3
Reaction score
1
Points
3
Location
Nashville
Vehicle Year
1999
Make / Model
Ford bronco 2
Transmission
Automatic
Thank you to all who helped!
Good afternoon all. My friend took out his factory 1990 bronco 2 transmission in favor for one out of a 1992 explorer. This goes from 1 to 2 solenoid controlled sifting. Do I need to swap valve bodies??? Wiring ideas are much appreciated. Thank you!!!
 

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