Do you have a question about the Delphi SA10003 and is the answer not in the manual?
Connect the FM modulator ground terminal to the vehicle ground before making any other connections.
Connect the red (+) lead to the vehicle 12V power terminal, which is powered when the ignition is in the accessory position.
The FM modulator is always on in standby when the ignition is in the accessory position.
Allows changing the XM Satellite Radio broadcast signal to an FM frequency for output to your vehicle radio.
FM antenna connector may need an adapter; some systems require active bias for AM antennas.