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I'm a bit red-faced this morning.
About 3 months ago, I started having mysterious electrical problems. It got worse, and so I tested my alternator. It tested a barely 12v at idle. So I replaced it.
My problems got much worse, and I began waking up to a dead battery. Art and others in the Brickboard community were most helpful in trying to help me sort it out.
Last night I went back to the neighborhood parts store where I bought the new alternator, to discuss whether it was defective. A good ol' boy who hangs around the store looked under my hood and said:
"Whar'd ye git that belt?"
"Right here, about 3 months ago."
"It's too narrow. That's your problem."
I was skeptical.... Surely that's not it.... but...... He was right.
After installing the proper belt, everything works as it should. After all these years of wrenching on cars, I had no idea that belt width was so critical.
Sheeesh....
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Today's lesson: the insidious nature of bad assumptions and the importance of V belts [200][1990]