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1998 GMC 1500 Pickup Question: My security light is flashing on in my truck when try to crank it up it will cut



bettypomerlee, Coffeeville, MS, April 08, 2013, 21:39

right off what causes this to happen I do not happen to see my motor size which is 350 vortex

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  • Answer #1

    April 09, 2013, 06:09

    Got another key? If so try it. Possible dirty lock cylinder or key, damaged key, can try turning key on for about 15 min.then off to reset passlock if battery in good shape. May be some info. in the owners manual.

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  • Answer #2

    Greg's Orange Auto (15188 Answers) , Orange, CA - (714) 361-9386
    globalhelper April 09, 2013, 09:13

    scan anti theft module for codes and post so we can adv.

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