We got the alternator test and they said it was fine.
SOURCE: The battery light in our 2005 Dodge Caravan keeps
Computer is out. The voltage regulator is in the computer.
SOURCE: Alternator keeps going bad - three so far. Battery light flickering off/on now.
Having worked for an Isuzu dealer I have seen this a lot with aftermarket alternators from places like auto-zone, napa etc. For some reason they will do strange things in these vehicles. The fix was to get a Isuzu alternator. We did have good luck with Beck Arnly alternators also. We also had a local rebuilder repair some with good luck too. If all else fails get a used one.
SOURCE: battery light still coming on after battery and alternator replaced
is the battery going dead? if so then you have a short , also colud be a pully locking up not letting the belt turn properly
SOURCE: 1999 bmw 528i replaced battery and alternator
Replace your battery when its being tested there not testing it under a heavy enough load. A battery could have a dead cell in it and still show good on the charger. I've had that problem a few times.
SOURCE: Battery light comes on intermittantly while
You have an intermitt issue. Test battery voltage when light is on. More than likely alternator (also check the belt that drives it) or poor battery connection (must be clean and tight).
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