Quote Originally Posted by Below Average Joe View Post
Don't quote me on this, but I have heard of alternators testing good even though they are bad.
Quote Originally Posted by luckyg817 View Post
Take the alternator off and have them run it on the machine. Have them test the battery with a load tester too just to rule out the battery.
These. And if it tests fine the first time, ask them to test it a few more times. I have had alternators pass the bench test the first time or 2, but on the 3rd, 4th, 5th, etc time if finally fails.