when warms up stop goes dead start back up when out in gear goes dead

Not sure if you're having the same issue as I had a while back, but after I had changed my air filter and was putting everything back tg, I noticed a sensor wire that wasn't hooked up, so I plugged it back in...I'm not sure what its called, I just know it has something to do with the transmission... But at first everything was fine, then all of a sudden while I was driving, the engine quit on me...I was able to coast my car to the side of the road...my car would start, then when I put it in gear, it stalled again. Several times I tried this and finally I called somebody I knew to come and help me figure it out. He asked me if I had done anything different with the car than usual...I told him about the wire I plugged back in. When he unplugged it, the car did just fine after that...I don't know what the fix is, so I have just left it unplugged...the wire I'm referring to is located on the driver's side of the engine, down underneath where the air filter goes..all I know is to unplug it... Hope this helps. If I figure out how to fix it, I'll post that on here too.

The sensor that Rohdy unplugged was for the TCC Solenoid, if like my 89 Corsica, it's plug is located on the front lower right of the block, underneath the valve cover. The TCC (Torque Converter Clutch Solenoid) for replacement purposes, is located by taking off the driver side front tire, (very serious), removing the wheel well covering, and unbolting the access panel for the Torque Converter located near the front (directly behind) the tire. If the TCC Solenoid is old, more than likely it has clogged up, if the TCC solenoid remains engaged after the vehicle has warmed up (approx. 7-15 min) it forces pressure onto the Torque Converter locking the Turbine Shaft into place with the Converter Shell. Basically feels as if an Automatic car, was replaced with a Manual Tran. and someone forgot to push in the clutch coming to a stop and stalled out. Unplug the TCC Solenoid, and it will run again, no replacement needed, but can't hurt to do so.