Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Per the supplier: No, this is not TSO'd.
Yes, per the manufacturer the Molex connectors are included in the box.
The easiest way to describe how this unit works is to say if your Garmin is 14v and the aircraft is 28v it will work, but it cannot make a 28v Garmin work on a 14v system. You would need a step up converter to do that. It is stepping the system voltage down to 14v to match the unit voltage.