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What is your question?
Changed starter relay. Battery good. Will not start. Caution lights wont turn on either
How long has your 2010 Chevrolet Cobalt had this problem?
Just happened , changed the starter relay 2 months ago

IF jump start or cleaning battery cables doesn’t help - check for blown high amperage fuse - under hood fuse box.
https://www.autogenius.info/chevrolet-cobalt-2004-2011-fuse-box-diagram/
See fuse / fuses labeled as > CRNK