Depending on the model, I think '64 and '65 were the first years for the
Uni-Volt system. Prior to that, they were independent 110v & 12 volt
systems that went through a simple junction box (control box) that
indicated polarity and allows the battery to be tuned off/on to the
lights & fans and circuit protection for the battery.
RJ
'65 Caravel
H Spies wrote:
>
> We just bought a 63 Globetrotter made in CA last weekend and it has 12 v and 110 V
> blubs in most fixtures so I quess that means we don't have a Uni-volt ?
>
> RJ & Krista wrote:
>
> > Melanie,
> > The '64 Globetrotter, if original, should have an older model of the
> > "Uni-volt". The Uni-volt is the control box with the switches and the
> > big transformer hooked up to it inside the external access door. Your
> > manual has a whole section devoted to it. If Iowa Boys didn't give you
> > the manual, the VAC will be putting copies on-line soon.
> >
> > It is what converts shore power 110vac to 12vdc for the lights & 18vac
> > for the fans, or regulates the 12vdc from the battery to the lights &
> > fans if you are not hooked up to 110v. The early '60's Airstreams with
> > Uni-volts were the first to convert away dual 110/12 volt bulb lighting
> > and go with all 12volt "marine" bulbs.
> >
> > Best of luck,
> > RJ
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