blower motor does not run on any speed on 2002 Chevrolet Trailblazer

i replaced blower motor and blower motor resister and still no power all fuses are good

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1 answer
With test light check for batt. voltage at resistor connector.If present ckeck connector
for poor contact with resistor.Same with blower connector.Replacement connectors aval.
at NAPA or dealer. If no voltage but good ground trace supply wire to find open circuit to
batt. voltage