If it a Ram series truck they will interchange. If it is a Dakota, it will not interchange between those years.
1994 through early 1998
1997 and before it is on the tailshaft of the trans/transfer case. 1998 and later it is on the top of the rear axle.
Yes it should.
yes
It depends on the brand of truck, on a dodge it is on the driver side.It depends on the brand of truck, on a dodge it is on the driver side.
Yes
Inside the tank.
It is inside the distributor.
no
Dodge does not use inertia/reset switches.
NoNo
About 15mpg