So last week I replaced my alternator to correct some of my charging issues. Before the alternator swap I didnt have any "Check Engine" lights on and now I have two codes: TPS Code and Water Temp code. I replaced and recalibrated my TPS and attempted to replace my WTS and the OEM sensor I bought isnt close to being the same. The first image you can see the sensor that currently on the truck and the second you can see the sensor I bought to replace it with. The truck was built Mar 1988 and I know there were 2 different sensors but I thought I got the correct one.