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  1. S10 97 crank no start unless jumped

    S10 / Sonoma
    370k miles 1997 4.3 2wd Every morning truck cranks but won't start unless jumped. After the first jump, it runs all day. I turn it off and on all day no problem. So far I have bought new battery and alternator. Checked for parasitic battery drain, found nothing. Bought new battery cables and...