Car Won't Start Even with a Jump

SouthArk370Z

Clean the battery terminals. Corrosion will cause high resistance.

Check battery electrolyte levels and replenish with distilled water as needed. You will probably need to pull the cowl - see some of the steering lock DIYs.

Replace battery. If it's the original battery, it's about time for a new one.

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Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub
Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma

MJB

He has one of the tiny Odyssey batteries. As far as distilled water, its a maintenance free battery. I had the PC680 and it only lasted about 2 years and wasn't very good at cold weather startups.

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09 Nismo #0483 sold. Viper or C7 next time around.

SouthArk370Z

Ah. Didn't notice that in his sig. Thanks.

I'm leaning toward a bad battery but, assuming the car was being jumped properly, it could be a bad starter. Or bad connection in the starter power circuit (eg, battery terminals). Alternator hasn't been ruled out, either.

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Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub
Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma