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Author Topic: Breakdown  (Read 1419 times)

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addy

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Re: Breakdown
« Reply #30 on: 29 March 2021, 11:35:15 »

When I was having battery problems, a while back. I purchased one of these. Used it a few times now on other peoples cars. Even correctly said that one of my friends battery, was on the way out. When he purchased a new one, he had the old one checked and it was on its last legs.

https://www.ebay.co.uk/itm/NEW-BT100-DC-12V-Battery-System-Tester-Lead-Acid-ALL-Car-Charging-Test-Analyzer/363324394054?epid=26032716642&hash=item5497d24a46:g:anIAAOSwbW9fO4SI

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gbh

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Re: Breakdown
« Reply #31 on: 30 March 2021, 20:53:51 »

Just got some fresh batteries and my tester at least has recovered and giving a reading of 12.77 volts at battery terminals but the alternator has had it so repair or replace seems my next option
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Doctor Gollum

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Re: Breakdown
« Reply #32 on: 30 March 2021, 20:57:02 »

Have you run Kevin's test through with your working meter?
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gbh

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Re: Breakdown
« Reply #33 on: 30 March 2021, 21:03:51 »

I went to try that this morning and started with 12.77v at battery which then after starting car went down 12.4v and the I got under car and after much struggling got a similar measurement at the alternator end large cable and nothing at the smaller cable at which point I stopped
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Re: Breakdown
« Reply #34 on: 30 March 2021, 21:06:27 »

You can test the alternator at the battery.

The whole point of running the test through is that it tells you exactly what is going on... Replacing the alternator won't fix a dying battery, for example  ;)
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gbh

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Re: Breakdown
« Reply #35 on: 30 March 2021, 21:18:40 »

Fully appreciate the test but when I started the car and the volts went down then perhaps in my stupidity I thought the alternator isn't doing anything that why I tested on the alternator terminals just in case faulty cable earth etc.When I put the old alternator back on my other car the battery light came on and has stayed on so I'm pretty confident the alternator has had it.So replacement time as I need to get back to reliable motoring and just a bit unlucky that the other alternator has failed I guess but same age and sat around for a long time probably hasn't helped
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Re: Breakdown
« Reply #36 on: 31 March 2021, 09:07:05 »

Best test for battery is to get someone to crank motor over as you check bat voltage, it should not drop lower than 10 volts and if it does bat is weak. same volt test across bat with headlamps and heated window on, engine 2500 rpm and it should show between 13.8 and 14.5 volts. Simple fault finders .
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gbh

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Re: Breakdown
« Reply #37 on: 09 April 2021, 14:13:31 »

New recon alternator acquired and fitted and back to normal touch wood
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Re: Breakdown
« Reply #38 on: 09 April 2021, 16:44:10 »

New recon alternator acquired and fitted and back to normal touch wood
Have you tested it to make sure?
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Re: Breakdown
« Reply #39 on: 09 April 2021, 21:13:50 »

i did a small test as battery was 12.7v and with car running went up to 14.4v should I do a full test? or should that be enough and perhaps keep an eye on battery volts as still not using the car much
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Re: Breakdown
« Reply #40 on: 09 April 2021, 23:34:54 »

Doing the FULL test before and after is a pretty effective way of confirming both the original diagnosis AND the repair. So yes ;)
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Re: Breakdown
« Reply #41 on: 12 April 2021, 20:37:07 »

Thank You DG I will do the test at the first opportunity
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