Hello,
I’m trying to figure out why my heater blower motor is not working. I think I have narrowed the problem down the the resistor or the high low switch. I’ll be darned if I can locate the resistor though. I assume it is mounted to the blower box under the dash somewhere. Any help would be appreciated!

 

To access the resistor you have to remove the heating thermostat (Located under dashboard) by loosening the three sheet metal screws. To remove, disconnect vacuum hose and temp. control.
The heater resistor is located in the heater case with two sheet metal screws, accessible after the thermostat is removed. To remove, disconnect wiring and remove attaching screws.
To install, reverse procedure.