Where is the heater blower motor resistor on a 1999 Chevy blazer?

On a 1999 Chevy Blazer, the heater blower motor resistor is typically located under the dashboard on the passenger side, near the blower motor itself. It is often mounted to the HVAC housing and can be accessed by removing the lower dash panel. Ensure to disconnect the battery before attempting to replace it to avoid any electrical issues.