2003 monte carlo changed battery, changed auternater and car still dont crank. drove yesterday but after it sits all nite wont crank
...okay, "changed battery" does not mean you put a brand NEW battery in there....these things are fussy anymore must look at the date on the knock- off labels on the top of the battery that show the date of the first charge...secondly the system ground is a connection from the black 1/0 cable to the chassis/fender....wirebrush this zone clean and re-attach the black lug to establish 300 cold cranking amps potential~ make sure there isn't a parasitic drain "glovebox or trunk light left on" so the new battery isn't drained overnite~
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