shortlid Posted January 5, 2014 Share Posted January 5, 2014 Ok have a '03 Legacy GT sedan with the antena built into the upper part of thye rear window. However I have noticed this winter that is the rear window defoster is on no AM or FM stations come in AT all? Is there a fix for this? Link to comment Share on other sites More sharing options...
Fairtax4me Posted January 5, 2014 Share Posted January 5, 2014 Does the defrost still work? Probably a bad ground for the antenna, or the antenna wire shielding is shorted to the center signal wire or to the antenna grid on the window. Check the antenna cable for continuity from the outer to the center pin, there should be none. 1 Link to comment Share on other sites More sharing options...
shortlid Posted January 6, 2014 Author Share Posted January 6, 2014 Ok, I will check it and yes rear defrost works fine. Also radio signal is great as soon as a turn off the rear defrost, soon as I turn rear defrost on can't get any signal? Link to comment Share on other sites More sharing options...
Fairtax4me Posted January 6, 2014 Share Posted January 6, 2014 Rear defrost is a big source of RFI. This could even be caused by a poor ground connection for the defrost grid, but that means pulling out the rear seats and pulling down the rear trim to get access to the wiring for the grid. The antenna cable can be checked pretty easily by pulling the radio out, or by reaching up behind the radio of your hands can fit. 1 Link to comment Share on other sites More sharing options...
shortlid Posted January 6, 2014 Author Share Posted January 6, 2014 Thanks guys going to try pin this down soon. Link to comment Share on other sites More sharing options...
naru Posted January 6, 2014 Share Posted January 6, 2014 Your car is equipped with the NSA blocker option fitted to some former Japanese embassy cars Link to comment Share on other sites More sharing options...
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