Mechanics

WHY IS MY ALTERNATOR NOT CHARGING MY BATTERY EVEN THOUGH MY ALTERNATOR TESTED GOOD AND MY BATTERY IS BRAND NEW

1999 Lexus ES 300 • 132,000 miles

The Voltage Regulator test fails but when I remove my alter or from my car and have the
Test it tests good. What could be the problem?
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Joebates29
November 23, 2011.




Have you checked the fuseable link between the battery and alt?


No I haven't. How do I do that?


Tiny
Joebates29
Nov 23, 2011.
Basically, there is a wire between the alt and battery. It looks like a regular wire, but it has a fuse built into it. If it is bad, no power from the alt can get to the battery.

I attached a wiring schematic for you to review of the charging system. Look off the battery and you will see the one I am refering to.

Let me know if this helps.
Joe
PS: Happy Thanksgiving!
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