# Put an alt. in the FC, now battery keeps dying.

**URL:** <https://forums.speedlife.net/t/put-an-alt-in-the-fc-now-battery-keeps-dying/42098>\
**Category:** NYSpeed Automotive\
**Created:** [January 18, 2008, 10:20pm UTC](https://forums.speedlife.net/t/put-an-alt-in-the-fc-now-battery-keeps-dying/42098 "2008-01-18T22:20:38Z")\
**Posts on this page:** 1\
**Showing post:** 27

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**Author:** ![boardjnky4](https://avatars.discourse-cdn.com/v4/letter/b/96bed5/32.png) [@boardjnky4](https://forums.speedlife.net/u/boardjnky4)\
**Post date:** [January 20, 2008, 2:47pm UTC](https://forums.speedlife.net/t/put-an-alt-in-the-fc-now-battery-keeps-dying/42098/27 "2008-01-20T14:47:35Z")

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> [@nitroinsane](#):
>
> i have never seen a alternator while not running cause a drain

it happened to me rather recently…I went through those exact steps and found the cause to be the alternator. Put a new one in, problem solved

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