There is no "kill switch" on that Chevy Blazer.
They were not used on Chevy trucks.
1996 Chevy blazer timing chain
my Chevy blazer power seat on my 1996 Chevy blazer isn't working
what is the distributor setting for a 1996 Chevy blazer
what arethe 3 relays in the glovebox on a 1996 chevy blazer
What is your 1996 Chevy blazer LS with a blown motor worth?".
A 1996 Chevy Blazer Does have a transfer case IF it is equipped with 4 wheel drive
The vacuum switch/actuator for the fan shutter is under the dash directly below the radio . IT is NOT easy to get to.
The 96 Chevy Blazer does not have a timing belt.
YES they are the same.
try a blower motor resistor
the 1996 and 1997 are the same and would not work in your 2000 straight from GM