I used to work at the company that makes the mirrors (Gentex). The mirrors have 2 +12V inputs, one is a switched IGN input and one is a constant BATT input. Did you wire up the invisicord to the BATT or IGN? The homelink will not work if the BATT line is not providing power. So start by unplugging your mirror and testing to see if you have +12V at both the IGN and the BATT line. The other thing that might be an issue is the storage switch, which will disable the Homelink since it disconnects almost all circuits that have a const +12V signal.
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