no
No.
No, the bell housing patterns are different.
No.
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.
will a 1999 voyager brain work for a 1998 dodge caravan
Yes.
Apparently, according to a Dodge retailer, the computer on the 1998 Caravan can't get reprogrammed (the EPROM is not flashable). A new one is necessary...
The fan is electric, not belt driven. The serpentine belt is has a spring loaded tensioner. If the belt is loose, the tensioner has failed.
No, completely different bell housing bolt patterns.
The lifters in a Dodge Neon are not adjustable.