1999 Lincoln Town Car Check Trac & Stalling

I've been trying to keep away from this one but to me if it only does it on bumps sounds like a body ground is loose someplace. I've had this happen a few; times but it's been a very long time. However it may not fix it but worth a try as that is what it sounds like to me. For the stalling clean both sides of throttle plate and iac hole with choke cleaner. See pics for where grounds are and look at them all because it could be just loose or rusted away. kick panels are where your feet are by the sides in car. However this may not fix it either as this is hard to diagnose over the computer.

Thanks for answering.
We are stumped. Thanks for the diagrams - we have gone through this and checked every connector from the transmission forward to the front of the car. All the grounds are good, the only thing we found is a connector behind the emergency brake pedal, sandwiched between two similar connectors and leading to the same bundle of wires (through the firewall), which is not connected to anything- nor does there appear to be anything present in order to connect... Confusing...
Anyway, after wiggling and jiggling literally EVERY connector and checking every connection attempting and failing to trigger a dummy light, we rolled the car forward at 2MPH and hit the brakes. "Check Trac" lit up and engine bogged - did it again while "check trac" was still on and engine stalled.
I took some photos of the errant disconnected connector but I'm not sure it's helpful. I'd be glad to attach if you think they'll be helpful.

I have no idea what to tell you then unless you have harness chafed someplace.that is the only thing I can think of off hand. there are no tsb's for this problem either. it may be where the harness lies on metal and has chafed due to age. If you would like your donation back contact me and i'll see to it.

Thanks. I appreciate the diagrams you attached for us and the help you did provide. I know I'm in deep doodoo when even the local Ford/Lincoln dealership can't figure it out.

Hello I had a customer bring his car in after hitting a deer at 80 mph. It’s a 2000 town car executive series 4.6 after replacing body panels and other compromised components I ran it down the road and had the check trac light pop up it down shifted and eventually stalled out of me. After further inspection I found the abs module had failed after he did a hard brake to try and avoid the deer. Idk what exactly happened to the module but after installing a new abs/atc the problem stopped occurring. Hope this helps.

Hello, I'm Danny
You've attached a response to a years old question.Thanks for adding to the thread all advice is welcomed.Thanks for using 2CarPros.

Hello Danny,

I realized that after I posted it. A update though something internal to the battery (loose cell maybe) was causing the stalling issue. PCM battery supply would drop to 0 volts milliseconds before the engine stalled. Ended up swapping in a new battery and the car has had no further issues.

Glad to hear the issue has been resolved.
Thanks again for adding to the thread and using 2CarPros. Please feel free to use us again in the future.
Danny-