# I have a battery that is fully charged but won't start my plow truck I did a test on the alternator and it's good and charging, the starter is good also the only way it will start is by jumping it with my second battery or jumping it with my car

**URL:** <https://boards.straightdope.com/t/i-have-a-battery-that-is-fully-charged-but-wont-start-my-plow-truck-i-did-a-test-on-the-alternator-and-its-good-and-charging-the-starter-is-good-also-the-only-way-it-will-start-is-by-jumping-it-with-my-second-battery-or-jumping-it-with-my-car/1015618>\
**Category:** In My Humble Opinion\
**Created:** [March 15, 2025, 5:24pm UTC](https://boards.straightdope.com/t/i-have-a-battery-that-is-fully-charged-but-wont-start-my-plow-truck-i-did-a-test-on-the-alternator-and-its-good-and-charging-the-starter-is-good-also-the-only-way-it-will-start-is-by-jumping-it-with-my-second-battery-or-jumping-it-with-my-car/1015618 "2025-03-15T17:24:40Z")\
**Posts on this page:** 1\
**Showing post:** 27

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**Author:** ![Mean\_Mr.Mustard](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/mean_mr.mustard/32/3865_2.png) [@Mean\_Mr.Mustard](https://boards.straightdope.com/u/Mean_Mr.Mustard)\
**Post date:** [March 16, 2025, 10:18am UTC](https://boards.straightdope.com/t/i-have-a-battery-that-is-fully-charged-but-wont-start-my-plow-truck-i-did-a-test-on-the-alternator-and-its-good-and-charging-the-starter-is-good-also-the-only-way-it-will-start-is-by-jumping-it-with-my-second-battery-or-jumping-it-with-my-car/1015618/27 "2025-03-16T10:18:28Z")

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> [@Eagle12426](#):
>
> Mean\_Mr.Mustard, thank you for that information. Have a great evening and the rest of the weekend and most of all be safe!

You are very welcome.

We have a [specific thread](https://boards.straightdope.com/t/test-thread-to-test-things-out-do-not-lock/956736/696) in the “About This Message Board” section where you can test drive your new skills.

mmm

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