A lot of Georgetowns like mine have a vent cap on the roof right above the passenger seat. It's a dummy cap for coax if you wanted to install a satellite dish on the roof.
No satellite for us, so, I attached a metal plate to the top of the plastic cap. The satellite antennae attaches to the plate with it's strong magnet. Then I ran the antennae wire down through the cap, drilled a small hole into the ceiling above the passenger seat. Ran a plastic channel to the side wall to hide the wire, and continued running it down the plastic channel at the side of the windshield. Along and under the dash to the front radio for antennae connection to my Sirius/XM unit. Now.......being on top of the roof, I never lose reception.
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Ken and Terry
2018 Sunseeker 2430S-CD, nicely modified and carried by a 2017 Ford E450 Sport
Former Georgetown 330TS owner for 10 years with more mods than I can count, pushed by our 2017 GMC Terrain
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