At 02:29 PM 4/28/2015, Richard Smith wrote:
>I have a VERY dim high beam indicator light - is this something anyone
>else has encountered? Is it an old age thing, and a new bulb would help? A
>wiring issue? (1985 Westfalia GL)

You will have to discover this for yourself, with a voltmeter if
necessary.  But I suspect that if you pull the lamp you''ll find the
capsule plated over with a fine mirror coating of tungsten from the filament.

Yours,
David