Why is my 2000 sts seville not starting?

2000 CADILLAC STS
176,054 MILES
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KEYLO22
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Yesterday I drove my car probably around 34 to 40 miles then stopped at a store was gone for maybe 30 mins came back out it wouldn't start up. I had someone try to jump the battery and it didn't help so we took battery to a advance auto they gave me a print out of the diagnostic saying it was a bad battary so I replaced it with a new one. Tried to start it up again and it didn't start up. I heard a clicking noise when I turn the ignition and the lights come on, radio, ac/heater, seats heat up everything except the ignition won't start up the car. Help!
Sep 27, 2011 at 1:30 AM
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JACOBANDNICKOLAS
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IF you hear a clicking, chances are either there is a bad connection at the starter, weak ground, or the starter is bad.
Sep 27, 2011 at 1:50 AM
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KEYLO22
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Jacobandnicolas another question could it also have something to do with the relay switch.
Sep 27, 2011 at 2:21 AM
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JACOBANDNICKOLAS
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It could be the starter relay, but usually you don't get a clicking from the starter.
Sep 27, 2011 at 2:47 AM
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CADIEMAN
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check the battery connections for a build up of corrosion.check the voltage at the starter.if its one click try and tap on the starter to see if it starts.if it clicks multible times it a connect problem like jacobandnickolas said.ty for using 2carpros
Sep 27, 2011 at 4:09 PM
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