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03-18-2012, 05:21 PM | #1 |
Drives: 2007 Liftback Join Date: Mar 2012
Location: Central Ohio
Posts: 164
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DIM battery light
I just had the shop replace my alternator (Just bought this car) free of charge due to the battery light. It was on when I picked the car up on Friday, but it went off when I got down the block. I drove it all day yesterday with no problem. The guy got the alternator, and I just got it installed. Now the battery light it back on, but it's incredibly dim. So dim that I don't think any normal person would notice. Sunglare makes it impossible to tell.
Why is the battery light so dim? Took it to autozone, battery is 100% charged, and the alternator is good. Possible overcharge? Deteriorating battery? |
03-18-2012, 08:20 PM | #2 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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Is the alternator an aftermarket or a genuine Toyota one? It seems that most people who install aftermarket ones have this issue.
__________________
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03-18-2012, 08:43 PM | #3 |
Drives: 2007 Liftback Join Date: Mar 2012
Location: Central Ohio
Posts: 164
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Dealer guy says it's genuine, but I don't think it is. I'm having him install the old one. It actually worked fine. They assumed it was the alternator when the battery light came on, but it went off after I drove it off the lot, and I've driven it 250 miles with no problems.
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03-18-2012, 11:31 PM | #4 |
Drives: 2009 yaris sedan Join Date: Apr 2011
Location: toronto
Posts: 141
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bad ground?
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03-19-2012, 01:40 AM | #5 |
Bob
Drives: Yaris and Scion XD 5 spd BSP Join Date: Dec 2009
Location: Was Hawaii - Moved to Everett WA
Posts: 145
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03-19-2012, 12:52 PM | #6 | |
Drives: Yaris 1.33 litre 2011 Join Date: Dec 2009
Location: Wigan
Posts: 124
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Quote:
Regards Geoff Peace. |
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03-19-2012, 02:23 PM | #7 |
Drives: 2007 Liftback Join Date: Mar 2012
Location: Central Ohio
Posts: 164
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I'm just going to put the old alternator back on. It checks out as "Good" by autozone, and the battery light went off right after I drove it off the lot. If it fails, I'll just replace it on my own dime.
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03-22-2012, 12:06 AM | #8 |
Drives: 2007 Liftback Join Date: Mar 2012
Location: Central Ohio
Posts: 164
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I had them reinstall the old alternator.
Something I noticed with the aftermarket alternator - a rougher idle. It seems like it always idled too low. |
11-22-2012, 05:05 PM | #9 |
Drives: Yaris Hatchieback Join Date: Jun 2010
Location: Cali
Posts: 199
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I had replace Autozone alternator and it works the first few days. The battery light on after few days and now it off. I am thinking going to purchase a new one from Toyota. I hate breaking down on the road. I rather spend more money get a reliable one. Any suggestion? Thanks!
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11-22-2012, 06:58 PM | #10 |
Drives: 2007 Liftback Join Date: Mar 2012
Location: Central Ohio
Posts: 164
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I ended up buying a used alternator from a wrecked 2008 MY car for around $80. It's way cheaper than the IIRC $600 Toyota OEM part.
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