Hi,
If that was all that was done, it could be a couple of simple things. First, make sure the two fuses are good and have power. See the attachments below. Note, when checking the fuses, it is important to also confirm there is power available to them.
Here is a link you may find helpful:
https://www.2carpros.com/articles/how-to-check-a-car-fuse
Next, make sure the connectors are properly connected and not loose.
Also, at the blower motor connector, there is a black wire. Check to make sure it has continuity to ground. You may have pulled that wire by accident.
If the fan has stopped working at all speeds, then suspect either the ground has failed or both fuses have failed.
Let me know what you find.
Joe
See pics below. Note: For some reason, I don't have the fuse layout for the under-hood fuse box. It should be on the inside cover when you remove it. Look for Blower Fuse 3. It will be a 50 amp fuse.
Images (Click to make bigger)
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Thursday, December 29th, 2022 AT 11:18 PM