a healthy alternator will output 14-14.5V. My Optima
auxillary battery tends to peak at 12.7 volts when
full, it should be at LEAST 13.8 range...its a mystery
becouse I use a big industrial relay and 4 guage wire.
 My driving battery is always green(my interior
lights/stereo amp are powered by the optima aux
battery)
Optima recommends keeping the battery at  13.8V-15V so
i use a DC charger when at home to keep it within that
range...a real P.I.T.A
sorry if i confuse things
Phil 84' Westy

--- David Brodbeck <gull@GULL.US> wrote:
> On Thu, 18 Mar 2004, Mike D. wrote:
>
> > On a 85 Westy, what the specifications are for
> >    The Alternator max voltage?
> >    The voltage levels for the Green, Yellow, and
> Red LEDs?
> >
> > My optima yellow top (wired via the relay method)
> seems to rarely get to Green.
>
> My starting battery is only green immediately after
> a drive.
>
>
> David Brodbeck, N8SRE
> '82 Volkswagen Diesel Westfalia
> '86 Volvo 240DL wagon

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