Thomas mini bus front winshield heat/defrost switch on, no heat

[xbus]

Chevrolet

1. Test. Key on, switch on front heat, position different level, no heat.

2. Remove the coolant reservoir.
   

   

3. Disconnect the connector of blower.
   

   

4. Test the power supply of blower motor connector. Has voltage. Damaged motor.
   

   

5. R&R with new motor. Test good.