

| Subject: | Re: Alternators correction! |
| From: | Alistair Bell |
| Date: | Thu, 9 Apr 2020 13:40:46 -0700 |
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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