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If the alternator is good and the baterry is good then why the alternator don't charge on your 2000 Toyota corolla?
Wiki User
∙ 16y ago
could be a couple issues.....first could be ...the alternator only charges the battery when needed. This is controlled by a voltage sensor in the alternator..when the sensor detects a voltage lower than like 10.6 volts the sesor makes the alternator charge the battery...if it charged all the time it would boil the battery dry in a very short time....make sense?...ok Check your battery cables and make sure they are in good condition and do not have any soft areas...this could be a break in the cable (under the sheath)...if you find a bad cable...repair or replace it...start at the battery positive and follow it to the starter solenoid...then check the small guage wire at the battery positive terminal and check it back to the alternator....make sure all connections are clean and tight....hope this helps
Wiki User
∙ 16y ago
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