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Discussion Starter #1
Just bought an 04 GTO a few days ago, and for the most part the lights are fine. But once in a while the relay starts chattering like crazy, turning the lights from auto to off solves the problem (or to straight on). But going back to auto will chatter again. Later I can put it to auto and be fine for a while. Any thoughts? I should probably check the BCM wire pack too and ensure it's not chaffing. Oh and I don't have anything on the windshield to block the sensor.
 
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