Trackpad Not Working Even After Replacement

About 3 months ago, I spilled water all over my T510. Everything worked afterwards, except for the trackpad and fingerprint reader. The trackpad was not even seen in BIOS. The fingerprint reader lit up, and I could turn on the laptop by sliding my finger over it, but it would not log me in, and was not detected in the OS. I removed the pamlrest, and the wires going to the motherboard had been corroded when I spilled the water.
Yesterday, I got my replacement palmrest, with trackpad and FPR included. I replaced the old one with the new one, and I checked in the bios. The trackpad was shown, along with the TrackPoint. Both were set to "Automatic". When I booted into Debian, neither the trackpad nor the trackpoint worked. I tried Windows, and it was the same. Here is what I've tried:
Palmrest Disconnected:
Trackpoint: works
Trackpad: does not work (duh)
Palmrest Connected, Trackpad Disabled in BIOS, Trackpoint Enabled:
Trackpoint: Works
Trackpad: does not work (duh again)
Palmrest Connected, Trackpad Enabled in BIOS, Trackpoint Disabled:
Trackpoint: Does not work
Trackpad: Does not work
Palmrest Connected, Trackpoint and Trackpad Enabled in BIOS:
Trackpoint: Does not work
Trackpad: Does not work
Palmrest Connected, Trackpoint and Trackpad Disabled in BIOS (I don't know why I included this):
Trackpoint: Does not work
Trackpad: Does not work
Does anybody know what is wrong? I really hope it isn't my motherboard.

It is hard to diagnose from 3000 miles away, but my guess is that if the cable got wet, so did the connector on the motherboard and/or the traces to it. If it was just water and only a drop got on the motherboard, it is possible that there is a small short at the connector (either on the outside or the inside) If that is the case, maybe cleaning it with electronics cleaner (best) or denatured alcohol will help.

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