Battery Drain

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by twinkielk15, Sep 29, 2012.

  1. twinkielk15

    twinkielk15 New Member

    Hi everyone. New to the forum. I have a 2002 Chevy Suburban with a killer parasitic drain on the battery. I've read all the thread in this and other forums and I'm still stuck. I can't narrow it down to just the BCM. The only way to kill it is to pull the under-fuses marked TBC, RADIO, and SEO1. But none of the three is a consistent portion of the draw. It is driving me nuts. Anyone out there with some tips?
  2. Pikey

    Pikey Moderator Staff Member 5+ Years ROTM Winner 5000 Posts

    Does it has lighted mirrors on the sun visors? I have seen the hinges do bad and the lights stay on when they are closed.

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