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
>