Yes, the doors from a 98 Chevy Blazer will fit a 2001 Chevy Blazer with a little moderation.
Open the hood ...it should be on the left side of the firewall...right off of the blower motor box...
how to in stall a Quarter Window in a 98 Chevy blazer
as long as they have the same engine, drive train, and ecu? sure
Yes.
behind the glove compartment, to the left
Check ignition switch
where is the rear AC blower on the Chevy Astro 98
where is the blower motor located in a 98 Buick century custom?
A 98 Blazer S10 has 5 lugs on each wheel.
where the map sensor on 98 blazer?
Unbolt it. It may be held up with "Torx" head type bolts.