stupid alternator and battery- diagnosis halp plz
My alternator no longer seems to be charging my battery. Each time I charge it up and start and idle my car, I can watch the voltage drop down bit by bit in my ecu readout. I have an NB with the stupid ECU controlled alternator but when I fuck with the alternator map it does nothing to affect the voltage.
I have a dyno tuning appointment tomorrow so I am super unhappy about this. What do you all think? Alternator? Should I take my car for a drive to see if it charges? I do not wwant to get stuck in baltimore on some appropriate setpiece for "the wire" aka the shitty streets of baltimore. |
kidney failure. your car has officially rejected you.
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Sounds like alternator damage. Doesn't the battery light illuminate with the Hydra when there are problems? Maybe a wiring bug somewhere?
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Yes, it lights up when you have an overvoltage. No overvoltage here.
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Sounds like the problem is coming from your frame rail. Hack into it until it corrects itself.
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Wow, that's brilliant, so if you actually have an undervoltage, there's no way to tell?!?!?
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bad alt.
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i have a spare 01 alternator but you have to buy it and pick it up from my lazy ass
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Somehow, I don't think he's gonna make a 50 mile trip from Baltimore to Arlington with a dead alternator.
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maybe if he had an inverter and a plug in battery charger .... or not.
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Originally Posted by Reverant
(Post 655003)
Wow, that's brilliant, so if you actually have an undervoltage, there's no way to tell?!?!?
Originally Posted by y8s
(Post 655009)
i have a spare 01 alternator but you have to buy it and pick it up from my lazy ass
If that doesn't work, how much for your alternator?
Originally Posted by Reverant
(Post 655018)
Somehow, I don't think he's gonna make a 50 mile trip from Baltimore to Arlington with a dead alternator.
Thanks to the amazing power of not having modified my daily driver subaru I will be able to do so if I so desire. I learned my lesson when my turbo kit install took 2 months while I waited for the correct parts and I had to rent a car while my one and only car (miata) was down. |
Originally Posted by mgeoffriau
(Post 655002)
Sounds like the problem is coming from your frame rail. Hack into it until it corrects itself.
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most auto parts stores will test your alternator / battery for free if you can get there.
$50 and it's yours. it's around a 30k mile unit. in an odd twist, i picked it up near baltimore. |
Originally Posted by y8s
(Post 655202)
most auto parts stores will test your alternator / battery for free if you can get there.
$50 and it's yours. it's around a 30k mile unit. in an odd twist, i picked it up near baltimore. Unfortunately, I read that our super fancy NB alternators cannot be tested without being damaged. I did get my battery tested though and it is ok. |
Originally Posted by y8s
(Post 655202)
most auto parts stores will test your alternator / battery for free if you can get there.
$50 and it's yours. it's around a 30k mile unit. in an odd twist, i picked it up near baltimore. Frank |
What's the verdict on this nomadic alternator? I am finished with work around noon or 1pm today so I can pick it up anywhere after that.
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Y8s hasn't PMed me but I suspect he has my old one. My early onset Alzheimers is rearing it's ugly head. If he doesn't check in today I can check the parts bin at around 5:30 tonight and get back to you.
Frank |
im pretty sure the reason he has one was from the block he bought from youz. another option is a 90-97 alt...
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I would love an NA altwenator. |
I have Frank's.
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