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my AC is one unit in the roof top no indoor or outdoor, I was change dual capacitor contactor and thermostat , my AC is goodman brand, model# *****
yes i can go on roof do some thing and I have multi meter
Excellent. Lets first narrow the issue down to being inside the unit or an external problem like thermostat or wiring.Go to unit .Disconnect the control wires going to the thermostat. Twist blue common and yellow Y together and let's see if unit will stay running or if it still shuts down after the 1 minute. We will go from here.
when I did like you say, the unit same before run and than shuts down