Date: Thu, 9 Apr 2020 13:40:46 -0700
Reply-To: Alistair Bell <albell@SHAW.CA>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Alistair Bell <albell@SHAW.CA>
Subject: Re: Alternators correction!
In-Reply-To: <BCF2951C-A09F-4CC4-84CA-C83CF113B9F1@shaw.ca>
Content-Type: text/plain; charset=utf-8
Correction , misprint
Engine on with all the loads
Alternator 14.39
Battery 13.91
> On Apr 9, 2020, at 1:38 PM, Alistair Bell <albell@shaw.ca> wrote:
>
> Ok david, results in
>
> Initial conditions are that both batteries, house and starting were fully charged, they were connected to my roof top panels. I disconnected solar and isolated the aux battery
>
> Took a bit of surface charge , half heartedly , from staring battery by leaving the interior lights on for a minute.
>
> Battery 13.18
> Alt 13.21
>
> I’m using two different digital meters, maybe that and probing errors etc. Anyway, same meters and same methodology used throughout.
>
> Engine on
>
> Battery 14.4
> Alternator 14.53
>
> I’d like less voltage drop but I’m not that bothered.
>
> Engine on, wipers at slow, both heater fans at 2, rear defogger, headlights on ( led so less draw than stock)
>
> Battery 13.91
> Alternator 13.91
>
> Didn’t run it more than five minutes to see how much hotter alternator would drop voltage.
>
> I kinda like the settings I have, with the provisos i mentioned in other post.
>
> I still have stock wiring from starter to battery. The battery end “appears” ok, the starter end i can’t recall. I’d go out in a limb and say the stock big wire is less than perfect.
>
> Oh and I looked at the starting battery and the best I can decipher from the punched out date tag is it’s May 2004
>
> I can’t believe that. It can’t be the same battery I had in my 82 westy. I got the Syncro around 2011, I’m sure I soon replaced the battery but not in 2014.
>
> Anyway, that battery is on it’s last legs
>
> Alistair
>
>> On Apr 9, 2020, at 10:58 AM, David Beierl <dbeierl@gmail.com> wrote:
>>
>>
>> The only way to get an accurate voltage reading is to use non load bearing wires directly to the battery posts.
>>
>> Yrs,
>> d
>>
>> On Thu, Apr 9, 2020 at 1:56 PM David Beierl <dbeierl@gmail.com> wrote:
>>>> - the voltage drops as electrical loads applied. in winter, headlights on, heater fan on, re fogger on, wipers on, the voltage can drop ( as measured on fuse panel) to the high 13s.
>>>
>>> The whole point of the regulator is to *not* drop under load. YOu're seeing the voltage drop in the panel feed.
>>>
>>> Yrs,
>>> d
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