Dryer not drying properly

Hi. Is the dryer taking longer than it should to dry a load? If so, you more than likely have a air flow issues. check air flow. make sure the vent is clean. Check for lint build up in the blower / lint filter housing. Make sure the blower wheel is attached to the motor shaft and not reamed out. Also, make sure you you can easily blow through the lint filter and feel the air come out the other side. Or put it under the sink faucet and see it water runs through it. If water or air is not passing through the lint filter, it is blocking the airflow and needs to be cleaned or replaced. You could have a timer that is cutting out as well. Try to wiggle the timer knob while in a heat cycle and see if the heat cuts in and out. I attached the wiring diagram for you.