Question about 2000 Cadillac DeVille

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No start after replacing the batt under the seat.03 deville

03 deville. no start after replacing the batt undeer the seat. has power to acc lights,radio but no horn no cranking either when i turn the key all the way to start its dead. all fuses are good.
any ideas?

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  • ttypenssride Jul 09, 2009

    already used key on driver door to lock and unlock to see if it disarms alarm also used key remote to arm and disarm alarm still nothing.

  • ttypenssride Jul 09, 2009

    has oem alarm. already insert key in driver door to arm/disarm alarm also used key remote to arm/disarm still nothing.

  • ttypenssride Jul 09, 2009

    also horn not working either and it was working fine before

  • Dennis Gentz
    Dennis Gentz May 11, 2010

    are your connections tight?

  • Mike Butler
    Mike Butler May 11, 2010

    You checked all fuses. Does this vehicle not have a power distribution box under hood? Follow any heavier red cables from battery positive & see if any go to another small box, if so lift cover of it & check .

  • Mike Butler
    Mike Butler May 11, 2010

    Doesn't have a security system that was tripped with battery disconnect do you? Try disarm procedure if yes.

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Posted on Aug 10, 2009

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