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Q: Security Module? on 1998 Chevrolet 2500 Pickup

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
After inserting key into ignition and turning part way, as usual dash lites come on, once trying to start motor all elec goes dead, after removing key a rapid clicking continues on top of steering column behind dash, above brake pedal. Clicking continues til door lock buttons are pressed repeatedly.
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Best thing to do is to scan your security module. Other wise you are just guessing which can drain your wallet.
After speaking with the local mechanic he suggested a new battery, as I could hear the fuel pump kick on and all the dash and interior lights would lite I didn't think that was the problem. Well after jumping the truck I found it was in fact a dead battery, wow what a surprise. Now after replacing the battery all works great.