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- - Charging Problem (https://www.hyundaiforum.com/forum/hyundai-sonata-19/charging-problem-16356/)

1leggedfisherman

03-20-2017 12:39 PM

Charging Problem

Replaced alternator but battery still not charging on 2007 Sonata V6 3.3

avisitor

03-20-2017 04:25 PM

Most modern alternators have a wire (other than plus, minus) that goes to the ECU
The ECU reads the speed of the engine and determines the charging rate of the alternator.
This rate or signal is sent by this wire to the alternator.

Or,

It could be a fuse.

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