How many of us are there? Owners of Dodge based RV's?

Look here for help looking for the sensor.

The first picture shows why you're having trouble finding it. The alternator is on the left side of the picture, the upper radiator hose is on the right side, the heater hoes are on the top side, and the belts are on the bottom.

Farther down the page is a picture with an alternate location, next to the upper radiator hose housing.

In a motorhome, it's harder to find because the front of the engine is relatively hard to see.