3Plug the FM Extender Antenna into the FM OUT connector of the vehicle dock, or your SIRIUS radio:
For plug and play radios such as Stratus, Starmate 3, Starmate 4, Sportster 3, and Sportster 4, etc., which use a vehicle dock, refer to Figure 8:
From FM
Extender Cable
FM OUT
Figure 8
For portable radios such as Stiletto which use a vehicle dock, refer to Figure 9:
FM OUT 
From FM Extender Cable
Figure 9
16 [ Installation ]
