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2011 Subaru Outback Dual Alternators

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=145397
Printed Date: May 15, 2025 at 6:57 PM


Topic: 2011 Subaru Outback Dual Alternators

Posted By: acesound1990
Subject: 2011 Subaru Outback Dual Alternators
Date Posted: May 05, 2019 at 2:58 AM

Hey guys I am going to be installing a second HO alternator in my engine bay. I already have a DC POWER 270amp 14.9 volt. The second is a BOSCH HO 280 amp that is rated at 14.7 volts.

My question is this. If I wire both alts in parallel will the two unmatched outputs cause issues? If so what would they be with only .2 volts difference? And finally. How can I best avoid issues while still utilizing these alts as efficiently as possible.

Thanks in advance!

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