Headlights flashing on and off rapidly - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-27-2010, 10:36 AM   #11
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That is exactly how mine behaves! Once I either put the car into gear, or manually turn the headlight switch to either the on, or parking light position, all goes back to normal.
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Old 03-27-2010, 10:47 PM   #12
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Yes, this finally fixed my flashing problem. The key breakthrough was that it was the parking lamps and the headlights flashing together. They are on different circuits. I traced the ladder logic with the mechanic (learned that little trick in Engineering school) and that led to the part number listed above (Part # 25762644). Works like a charm. Basically, it was receiving the proper signal, but couldn't decide to turn them on or off. So it did both - really fast!
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