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I think I have a loose wire somewhere. My XM works fine, so does radio. But my OEM navigation keeps losing its location.
Possible wire loose? I believe there are 2 antennas - one for the navigation, one for the radio. Am I correct/
Where would the antenna for GPS be located? How do I correct problem?
The GPS antenna is located under the dashboard next to the center speaker:
Does this issue happen randomly or in specific areas?
Fortunately, used GPS antennas are very cheap on eBay. If you suspect the antenna is the issue I would get a cheap one from eBay and swap it out. Though, admittedly, GPS antenna failures are so rare that I have never heard of one yet. I would suspect the headunit first but, regardless, the antenna would still be the starting point diagnostically.
