Most likely you have broken wires in the conduit from A pillar, below windshield, to the Left front door.

You might want to have the under dash fuse box looked at for water intrusion. This is a common problem with these vehicles, also check the obvious things loos connections at starter and batter. Hope this helps The fuse box is way behind the glove box very far back hard to see.

The post O2 sensors are located after the catalytic converter