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The Sirius band on the Bose radio in my 2005 TB cuts out when I hit a bump/pothole and typically comes back on when I hit a bump just right. I have enough miles on it on the same routes so I'm sure is not related to signal loss from obstructions, it occurs in any weather and has no effect on the AM/FM bands, lights or any other electricals. My logic tells me I have an antenna or antenna wiring situation. My problem is I have not been able to locate the module to back track the antenna wiring. The TB has separate On Star/ AM-FM/Sirius antennas. Is my logic correct and am I tracking on the right solution?
 
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