14 captured repliesDiscussion pagination complete · Source accounts, not a confirmed diagnosis
THIS DISCUSSION / SOURCE-DERIVED OVERVIEW
Discussion summary
YOUR RESEARCHNew alternator, new battery, no dice
Reported or suspected cause
regulator
Reported cause
No successful repair reported for this finding.
1
Identified cause
0
Suspected cause
0
Reported fixes
Read evidence and context
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that report identifying a cause
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Reported cause · Original poster
Thanks guys, turned out to be a bad regulator on the new alternator.
Leading evidence: 'regulator' (1 discussions report identifying this cause; no attributable repair resolution). Across 1 matching discussions, the most frequently mentioned possible cause is 'regulator' (1 discussions; 1 report identifying it and 0 suggest it). The most frequently discussed action is 'Check each time' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
Source reports, not a diagnosis or a success probability. Counts refer to discussions and can overlap.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that performed work without a confirmed outcome
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Performed · outcome unconfirmed · Original poster
I replaced both the alternator and the battery in my car after the alternator seemed to fail.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
If things are looking ok start replaing fuses one at a time, checking each time to see if this impacts volts.
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
u need to check the excite wire on the back of the alternaotr should have 12v with the key on if you dont have battery voltae there the alt will not have output
Explicit resolution reports before identified causes, performed actions and suggestions. Within each level, matching component labels precede direct query mentions and inherited thread context; successful versus unsuccessful discussion counts, owner confirmations and independent discussion support determine order. This is not a probability of success.
Discussions that contain suggestions
1
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
If you've checked the main power feeds, and they are ok, then it's got to be something else that killing your Volts.
0 original-poster resolution reports. Counts can overlap; they are not unique people or a success rate.
0 discussions have direct query context; 0 report a fix in that context. Other evidence may inherit the discussion’s subject.
Suggestion
u need to check the excite wire on the back of the alternaotr should have 12v with the key on if you dont have battery voltae there the alt will not have output
Counts describe captured discussions, not unique people or a diagnosis. Author identities are not reliably stored. Exact duplicate evidence is counted once across matching discussions; one discussion counts at most once per action/state. Multiple repairs reported together remain a combination. Suggestions and failed attempts do not establish a fix. Matches cover whole discussions and can include related faults, model variants and incomplete threads.
14 eligible posts · 0 unverified posts · 1 discussions match the subject in their title or opening post.
Rennlist: 1 discussions
0 evidence records excluded for query context · 0 excluded by outcome qualification · 0 adjusted by outcome qualification.
0 acknowledgements have no verified action link; they do not establish a repair result.
Generation: 20261026T200546Z · outcome-qualification-6. Deterministic extraction; no AI model inference. How we use sources
I replaced both the alternator and the battery in my car after the alternator seemed to fail. Now I can see the car losing battery power, even when on, its not getting ~13V.
Any suggestions on where else to look? A relay or a fuse perhaps?
FEW things u can check
check the power lead on the pass side of the engine compartment under the lil flip door make sure its clean and tight
theres another junction in the trans tunnel under another lil flip cover if they get coroded u will see low output i have seen it especially on northern cars
lastly
u need to check the excite wire on the back of the alternaotr should have 12v with the key on if you dont have battery voltae there the alt will not have output
u also could have a bad alternator....new ones have been bad before it wouldnt be the first
Nothin. Car is still on it's way out, runs at like 11.9 volts and falling. Half my idiot lights are on, and all the terminals test okay, including the one behind the alternator.
Please don't tell me my month old porsche is f@@@ed.
theres not anything else in the system
as long as u have 12v to the excite wire on the alt
and theres no loose connections on + cable junctions and the - side is clean and tight at the battery
and at the pass side cyl head to body .
u shoud have output
if you already changed the alternator and pulled it to check the excite wire i would pull it again and take the alt to somwehre that can test it for u
So if you already replaced the battery and alternator, it's very unlikely that the new alternator is the issue (possible but unlikely)
If you've checked the main power feeds, and they are ok, then it's got to be something else that killing your Volts.
You probably have a short or failing electronic component.
Suggestion:
Pull all fuses - make sure you note which goes where.
With enough fuses in to start the car (fuel pump etc etc) start the car and measure Volts as before.
If things are looking ok start replaing fuses one at a time, checking each time to see if this impacts volts.
This should allow you to isolate the problem area, and you can then diagnose further.
Hope this helps.
Chris.
"u also could have a bad alternator....new ones have been bad before it wouldnt be the first "
Brad is right I got a rebuilt alternator once that was bad!!It drives you crazy they have an inspection tag on them with all kinds of good numbers, but they don't work!! gotta wonder who is testing them.
There is one on the pass side of the engine compartment above the ac compressor. The other is above the transmission towards the engine. What kind of problems are you having?
This is a source reference. Confirm exact model applicability in the original material.
