Here are some other possible locations of the blower motor resistor on a 2000 Chevy Blazer:
1. Underneath the dashboard, near the passenger footwell.
2. In the engine compartment, near the blower motor.
3. Behind the center console.
If you are unable to find the blower motor resistor in any of these locations, you may need to consult with a qualified mechanic or refer to the vehicle repair manual for more information.