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How do you know when ur alternator is going bad?

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Old Feb 5, 2004 | 10:09 PM
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Cashj2002's Avatar
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How do you know when ur alternator is going bad?

I just wanted to know how do you know when ur alternator is going bad, what are the signs??
Old Feb 5, 2004 | 11:49 PM
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Take it to a couple of places that offer free testing. Also, check to see if your VIN is listed on recall for bad alternators (96s and early 97 ?) Another possible problem that I fixed, was a corroded ground wire under the battery pan. Found it when I installed the CAI.
Old Feb 6, 2004 | 12:06 AM
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mine made a whining sound when it went bad. burned out diode(recall)
Old Feb 6, 2004 | 05:49 AM
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Mine lit on fire. I knew it wouldn't work after that.

The other one I had go bad tripped the battery light a few days in advance.
Old Feb 6, 2004 | 06:03 AM
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my car started to jerk while driving. Plus my interior lights started to go Dim. My audio started to fade. and sometimes stop working.
Old Feb 6, 2004 | 06:09 AM
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Mine started whining, and then also lit on fire. Best part: there's a gap in the early 97 VIN #s that wasn't covered for the alternator recall. Yep, mine was in there...
Old Feb 6, 2004 | 06:10 AM
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I have a volt guage and when I started the car early morning, its at 14.5 when I drive for alittle with the bass on my 12s up it drops to 13.5 or 13.0
Every now and then the lights may dim and the need on the volt guage moves back and forth.
Old Feb 6, 2004 | 09:40 AM
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i was actually looking into putting a dual alternator setup, if anyone has info on this let me know. i have a few tv's and a system and i know i need more current. let me know
Old Feb 6, 2004 | 09:49 AM
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My speakers started to shut down periodically a couple days before the alternator died. I also got the whinning a mile or two before it completely self destructed
Old Feb 6, 2004 | 09:54 AM
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Oddly, when your brake light come on, but won't go off.
Old Feb 6, 2004 | 10:56 AM
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Isn't that a sign of a low brake fluid level??
Old Feb 6, 2004 | 11:10 AM
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I knew my alternator was on its way out when the headlights would become intensely bright at high rpm. People were flashing their brights at me and wildly swerving out of my way.
Old Feb 6, 2004 | 11:16 AM
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Originally Posted by Stephen Max
I knew my alternator was on its way out when the headlights would become intensely bright at high rpm. People were flashing their brights at me and wildly swerving out of my way.

sounds like mod. so when i step on it people get the hell out of my way...probably just blind them and make me a good canidate for an accident tho...
Old Feb 6, 2004 | 11:44 AM
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[QUOTE=Keith P]check to see if your VIN is listed on recall for bad alternators (96s and early 97 ?) QUOTE]

'97 and '98 models manufactured b/w Feb. '97 to Feb. '98 are affected by the recall, so you might want to check your manufacture date on your driver door jamb
Old Feb 6, 2004 | 12:08 PM
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What about the 95-96??

[QUOTE=Wht98SE]
Originally Posted by Keith P
check to see if your VIN is listed on recall for bad alternators (96s and early 97 ?) QUOTE]

'97 and '98 models manufactured b/w Feb. '97 to Feb. '98 are affected by the recall, so you might want to check your manufacture date on your driver door jamb
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