Loosen the bolts that are holding down the plastic intake manifold. The cam sensor is located on the right side front of the head as you are standing at the front of the car. Remove the bolt holding the old sensor and remove. Pull the red plastic piece out of the wiring connector, disconnect the plug. Replace with the new sensor and tighten all the bolts you loosened and replace the plug. Do not remove the paper that is on the end of the new sensor, it is a spacer and will be removed when the car is started.
A 2002 Dodge does have a cam sensor, but the 318 was not offered after 2001.
replace the distributor
The cam sensor is part of the distributor, the entire distributor needs changed. You can not get the cam sensor separately.
A 1989 5.9L Cummins does not have a cam sensor.
Front left cyl.head in the timing belt cover
The cam sensor is under the front of the passenger side cylinder head.
The cam sensor on a Dodge 4.7L is under the front outside of the passenger side cylinder head.
Front driver side of the engine, it is inserted into the timing cover.
It is a non serviceable part of the distributor. The distributor has to be replaced.
There is no such thing as a cam sensor valve. The camshaft position sensor is powered by the PCM, there is no individual fuse.
The cam sensor is under the front outside of the passenger side cylinder head.
Inside the distributor