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99 suburban computer swap now it wont run

Discussion in 'Chevy Suburban Forum (GMC Yukon XL)' started by AT Mech, May 12, 2013.

  1. AT Mech

    AT Mech New Member

    Hi, swapped computers and the truck starts for a second then dies. I heard that it may be the security system. Anything I can do to defeat it or does it need to be reprogrammed?
  2. Pikey

    Pikey Moderator Staff Member 3 Years ROTM Winner 1000 Posts

    It sounds like what happens when a remote starter is installed without the proper security bypass. I don't know how you would go about bypassing it now. Maybe a bypass from an alarm/remote start system, wired properly, can bypass it for you.

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