It isn't actually an LED.  They didn't make blue LEDs in those days.

John McLean wrote:
>
> >    Does anyone have advice on replacing the high beam blue LED. Mine is burned out.
> >
> > Thanks to all.
> > _____________________
> > Leo Lipert
>
> First, before you start, order the LED so that you have it on hand.
> Then you will have to remove the instrument cluster.
> On the back of the cluster behind the indicators is a plastic shroud over the printed
> foil circuit.
> Unscrew the plastic bit and carefully pull the foil back.  You will be able to see the
> blue cover at this point.
> The LED is behind the cover.
> Because you have the new bulb in hand you will know that the LED simply pushes into
> place.
>
> John McLean   87  Vanagon  GL