In a message dated 26/10/2009 5:12:16 P.M. Eastern Daylight Time,
LISTSERV@GERRY.VANAGON.COM writes:

        There is a ground  issue.

>>>>>My 84 Westy, original wiring, with H4 bulbs  (normal 55w range), has
developed a "dim" drivers side light on low  beam.

Not that noticeable, but obviously dimmer.  The high-beam  seems equal.

Last time I changed bulbs, I used Di-Electric  grease and the contacts
appeared clean.

Any suggestions as  to why the one bulb would be dimmer than the
other?<<<<<<

Cheers,

Frank  Condelli
Almonte, Ontario, Canada
'87 Westy & Lionel Trains (_Collection for sale_
(http://frankcondelli.com/trainsal.htm) )
_Frank Condelli &  Associates_ (http://frankcondelli.com/busindex.html)  -
Vanagon/Vanagon Westfalia Service in the Ottawa Valley
_Vanagon Stainless Steel Exhaust  Systems_
(http://frankcondelli.com/exhaust.htm)
_BusFusion_ (http://www.busfusion.com/)  a VW Camper  camping event,
Almonte, ON, June 11 ~ 14,  2009