Lower driver side of the engine.
ok
It wasn't built with one.
The starter solenoid on a 1998 Chevy 1500 is located on the starter. It is on the top with a positive cable connecting it to the starter.
Inside the fuel tank
Location of starter on Cadillac 1998 eta
Yes
There wasn't a 1998 Dodge Ram 1500 diesel.
There are two. They are located on each side of the catalytic converter.
You don't have a heater control valve for this truck.......
No.
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.
Back of the engine, just to the passenger side of the distributor.