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2002 GMC Sierra 1500 Question: My security light(solid orange)

 

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summers09, 4.8L V8, Greenwood, SC, February 26, 2013, 08:15
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My sercurity light stays on even after i turn my truck off,it stays on till my battery dies. Iv been told it could be the BCM or my ignition cylinder but im not sure. Its a chipless key and i have no power windows or locks installed. Any ideas?

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