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horn relay

  1. Battery dies overnight if Horn Relay left in place under hood 2006 Pilot

    2003-2008 Pilot
    My neighbor's 2006 Pilot battery dies overnight if the horn relay is left in place. When it's removed the battery holds its charge fine for any number of days. The alternator tests good and the battery is new and there are zero other electrical problems. Does anyone have any experience with...