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Old 06-14-2022, 10:51 PM   #1
cproo12
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Member#: 520219
Join Date: Nov 2020
Chapter/Region: MWSOC
Location: Michigan, USA
Vehicle:
2006 Forester XT 5mt
Crystal Grey Metallic

Default Maybe stupid question - dead alternator/battery?

Hi everybody, I am currently in a really bad situation-


I am supposed to move across the state this Thursday, but today I shut my car off and now it won't turn back on...


Info:
Today it was 95 degrees and 90% humidity, it is typically 70s where I live
car is an 06 Forester XT manual, only mods being some professionally done interior electronics/car audio, downpipe, GFB BPV, and STi top mount.


Reason I say professionally done interior electronics is I that I don't think they are what is preventing my car from working.


So I was driving from work to home, and my head unit & radar detector just turned off while driving, then turned back on. Engine & other car electronics (like dashboard) stayed on like nothing happened. Was going about 40mph in 5th gear.


Happened one more time, only radar detector turned off. 25mph 3rd gear.


Parked, turned off key, and car is completely dead. No dash lights when I turn the key, not even with a jump pack/jumper cables.


Battery terminal connections are fine, battery measures 10V with multi meter while disconnected from car harness.



I am unsure if alternator stopped working and caused the battery to die, or if the battery is just dead for some other reason like me leaving a light on.


Mainly, I am wondering, is there some other reason this might happen that I haven't thought of? All my fuses are good.


Willing to pay somebody venmo/zelle/whatever if they can offer helpful advice here. I plan on calling shops but I doubt I will find anybody available within 2 days...


Thanks
cproo12
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Old 06-14-2022, 11:19 PM   #2
Haevn
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Member#: 495950
Join Date: Jan 2019
Chapter/Region: South East
Location: Augusta, GA
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sounds like a bad connection somewhere, i had it happen to me once where my tach would go all crazy while driving every no and then, come to find out my ground on battery wasn't making good contact.
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Old 06-14-2022, 11:41 PM   #3
cproo12
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Member#: 520219
Join Date: Nov 2020
Chapter/Region: MWSOC
Location: Michigan, USA
Vehicle:
2006 Forester XT 5mt
Crystal Grey Metallic

Default

That's what I am worried about... bad connection. I checked everything and it seems okay, did not have multimeter with me though... Had to walk home... Going to bring my multimeter and start checkin for continuity across my things.

I am hoping it is just the battery, just anxious about replacing that and going down a rabbit hole trying to get it to work... Never had any problems like this before.
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Old 06-15-2022, 06:53 AM   #4
Unabomber
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This is an electrical issue and you should likely farm it out. Regardless....if your unconnected battery voltage is 10, that's legit bad and needs replaced as step zero. After that, any auto parts store can test your alternator.
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Old 06-15-2022, 07:47 AM   #5
cproo12
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Join Date: Nov 2020
Chapter/Region: MWSOC
Location: Michigan, USA
Vehicle:
2006 Forester XT 5mt
Crystal Grey Metallic

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Yeah.. considering i can't move my car and I'm about to be homeless i agree, i need to figure it out ***128513;

I'm getting a new battery and Subaru dealer has an alternator if i need.

Thanks
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Old 06-15-2022, 11:04 AM   #6
cproo12
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Member#: 520219
Join Date: Nov 2020
Chapter/Region: MWSOC
Location: Michigan, USA
Vehicle:
2006 Forester XT 5mt
Crystal Grey Metallic

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Update: Brand new battery. turn the key and NOTHIN happens. No lights, noises, anything. Its like shes dead

No clue whats goin on ***128532;
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Old 06-15-2022, 11:47 AM   #7
cproo12
Scooby Newbie
 
Member#: 520219
Join Date: Nov 2020
Chapter/Region: MWSOC
Location: Michigan, USA
Vehicle:
2006 Forester XT 5mt
Crystal Grey Metallic

Default

UPDATE 2: I FIXED IT, SO DUMB

The smaller 8 gauge wire goin from the positive terminal to the fusebox had a bad crimp. Bought a new connector from walmart as a temporary fix since im stuck on the side of the road lol

Gonna grab a name brand from work and get it crimped up ***128077;

Hope i help somebody
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