Josh, I thought you had a 205 engine? That's off an older engine.
Regardless, that should be the connector for the coolant temp gauge sender.
Newer ones [even the 205] have an updated plug [you'll need the sender, connector and wiring pin].
Any Toyota should do, Tundra, Camry, ect. Go to the junkyard, pull the sender and clip the wire/connector.
Or you can order it all new.
I should have the P number for the Tundra one in the manual, I'll try to get back to this in a little bit.