i have the opposite issue. i live in mexico and the standard xm antennas only receive the xm channels of 100 and up in this area. everybody here uses the old style larger computer mouse sized terk antennas to get good reception. if i mount that one, will i be able to splice right to the factory installed antenna already the roof? i dont want to impair the phone and onstar capabilities. or can i just run the lead to the tuner and connect there? is there a special conversion plug needed?
thank you
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