New battery starter,and alternator started with a jump yesterday,today nothing.
2009 Pontiac G6

New battery starter,and alternator started with a jump yesterday,Today Nothing.

(2009 Pontiac G6)
put a new battery in yesterday, a rebuilt starter, and alternator last week.trying to start it,it would not start.So I used a NOCO GB 20 to jump it It started right up.I left it running for about 1/2 hour. I shut her off, and this morning the battery is so dead, that it will not take a jump.
What seems to make the problem better or worse? N/A
Tags: hard starting after new, alt, and battery, pontiac, g6
1 answer & 1 comment
Popular Answer
on May 30, 2019

Did you see any sparks when connecting the battery cables?

That would be an indication of a short circuit - which will certainly discharge the battery very quickly.
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on May 30, 2019

Now > ‘IF’ the starter failed to engage immediately following battery replacement - either the battery is defective - OR - the battery cables are not making sufficient contact with the battery terminals ..

Keep on mind that jump starting sends power directly to the cables regardless - that’s why it started when jumped ..

Many times the engine can be ‘jump started’ WITHOUT a battery under hood - provided you’re using a good strong jump start source.. Once the engine is started - the alternator alone provides the necessary power to keep it running.

It ain’t as cut and dried as it seems!
General Diagnosis
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on May 30, 2019

Did you see any sparks when connecting the battery cables?

That would be an indication of a short circuit - which will certainly discharge the battery very quickly.
Sign in to reply
on May 30, 2019

Now > ‘IF’ the starter failed to engage immediately following battery replacement - either the battery is defective - OR - the battery cables are not making sufficient contact with the battery terminals ..

Keep on mind that jump starting sends power directly to the cables regardless - that’s why it started when jumped ..

Many times the engine can be ‘jump started’ WITHOUT a battery under hood - provided you’re using a good strong jump start source.. Once the engine is started - the alternator alone provides the necessary power to keep it running.

It ain’t as cut and dried as it seems!

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