Battery to alternator fuse size

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Forum Name: Car Audio
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URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=142850
Printed Date: May 04, 2024 at 12:45 AM

Topic: Battery to alternator fuse size

Posted By: do58
Subject: Battery to alternator fuse size
Date Posted: April 10, 2017 at 6:13 PM

I have a 2016 Audi A3 with a kicker 4x400 on the mids/highs 4 ga power 80a fuse and a kicker 1600x1 1/0 ga power 150a fuse. I want to upgrade the big 3 or 4. Would a 150a fuse even ok going from alt to batt using 1/0 ga wire?
Thanks for any advice or responses in advance

Replies:

Posted By: mtxtech
Date Posted: April 24, 2017 at 10:33 AM

You don't really need a fuse from the alternator to the battery but if its preferred id go with a 200 amp breaker or fuse. Preferably a breaker though.

Posted By: mtxtech
Date Posted: April 24, 2017 at 10:36 AM

fyi, i highly advise you do not put any kind of fuse or breaker on between the battery and alternator. But if you so decide to thats my recommendation

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