its a tricky thing to change but here is a site to look at
Regular power steering fluid.
The flasher relay is under the steering column.........the 4ways and the left and right turn is all in the same unit.
no
No.
cant be done
No, it is possible to replace them in vehicle.
No.
Under the steering column is a fuse center, the horn fuse is usually found here.
There isn't a vacuum line going to the regulator on a 1998 Dodge Caravan.
No. A 1998 Dodge does not have a reset button or kill switch.
Not sure ,but it costs $115 to change mine on my 1998 Dodge Durango.
Yes.