TC Lockup??? - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars

JTraik · 10-18-2006, 11:42

My buddy has got a '91 Grand Marquis in which we swapped out the motor and AOD for another stock AOD, however the new(er) 5.0 is using carburetion instead of the native EFI system. Im aware that he will need the Lokar TV linkage kit, but my main concern is the lock-up TC.

He ripped the engine out without me being there so I did not see where the four wires from the tranny go... They look like they are connected to the TC lockup solenoid? And from there I assume they get into the engine bay harness at some point... help me out?

Is the PCM now useless to us? How does the TC know when to lockup?

I really need to help him get this done, your help would be much appreciated!

JTraik · 10-19-2006, 08:51

Good thing im a GM guy... these forums SUCK. I was answered on various GM forums before I even got a reply here, imagine that!

PEACE!

cubes · 11-09-2006, 02:23

If its an AOD it doesent have a tc lockup slenoid, only the later AODE and 4R70W trans had a lockup clutch, the AOD lockup was done by a direct drive centre shaft to the converter that partialy locked up in third and fully locked in OD.
read the info on this link below it explains things Main Tech Help Page - Baumann Electronic Controls, LLCbetter