Q: Will this work with the AERA 660 ?
A: No, this will not work with the Garmin aera 660. Instead, you will want to get Garmin Aera Aviation Mount - Bare Wires (aera 660).
Q: Will this work with the Gizmo panel mount?
A: Yes, this will work with the AirGizmo Panel mount.
Q: Are the bare wires intended to hook to the aircraft power system? I am uncertaian after reading the product description.
A: Yes, this would be connected to the aircraft electrical system to provide constant power to your Garmin aera GPS.