Charging Problem
Senior Member
Joined: Sep 2015
Posts: 1,419
From: Albany/NY/USA
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.
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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