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Old 03-01-2018
EugeJK  EugeJK is offline
Join Date: Jan 2008
Location: Adelaide
Posts: 446
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Originally Posted by samft View Post
Hey Guys

2010 CRD here

I have 2 optimas linked up in a dual battery system.

Is there a way to set the alternator to the 14.3 volts default output by unplugging something?

I have relocated both batteries to the rear of the Jeep so I'm not worried about temps.

I usually see 13.9v - 14.2v on my scangauge and would like a bit more juice

EugeJK - I read your post, where is the connector that you unplugged?
It's on the alternator, 3-pin connector with 1 active wire. Mine defaulted to 14.2-14.3V once I disconnected it. But you'll get battery warning light as the ECM senses it no more.