Get the top up on the dryer. Service the heater, high limit, and thermal fuse from here with the top up. Check the heater, high limit thermostat, and the thermal fuse with an ohm meter. All should show continuity. Remember to always remove the wires from the part you are checking with an ohm meter.
Next picture is the heater.
It is located on the left rear of the drum in a housing. The thermal fuse and the high limit thermostat are also located here. The thermal fuse on this dryer shuts the motor down when it is blown. Taking the front loose to remove from dryer. Service the door switch from here.