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Hi my name is ***** ***** I will be happy to assist with this today.In some cases I may need more info to assist better.I apologize for any delay.
Do you have a test light or multi meter for testing electrical at all?
Let me know so we can continue,thanks Pete.
With the engine running and blower set on low at first then up to high test between the 2 wires at the blower to see if one has battery voltage (at or near 12 volts) and if one has a ground signal and let me know.