2010 Mazda5 Blower Motor Issues...Any suggestions?

Bad connection somewhere. Potentially the blower motor resistor is heating up and cutting out.
 
My front blower motor cuts on and off and most of the time won’t run. Relays and fuses are good. Any suggestions?
Thanks for the response. Resistor is good today did the same came on and played with all the controls and I think may be the automatic climate control but don’t know how to check it.
 
I'd want to test the blower motor by applying power directly to it from the battery repeatedly, to see if it comes on every time and continues to run without cutting out.
 
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