Quote:
Originally Posted by richtazz
A 91 Lumina could have a 4L60 trans, which has a vacuum modulator and a 4 wire TCC switch. On those models, you can just unplug it and all you'll lose is lock-up. On the 93 Lumina, it has the 4L60E electronic transaxle (optional on the 91 also) with the 6 wire TCC plug. Since this plug also controls the shift solenoids, you cannot just unplug it or the car will go into limp home mode which is 3rd gear.
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I have a 1991 lumina euro. It just started the brake and stall thing - I found the plug it is 4 prong- first thing tomorrow I am going to unplug it and see what happens - will let you know what happened.