Where is the heater resistor located on a 1992 GMC Safari van?

On a 1992 GMC Safari van, the heater resistor is typically located in the HVAC housing, which is situated under the dashboard on the passenger side. You may need to remove the lower dashboard panel to access it. The resistor is usually mounted near the blower motor and can be identified by its connector and several wire leads. If you're having trouble locating it, consulting the vehicle's service manual can provide specific guidance.