Sounds like the Turn Signal Switch is dying or dead.  Like most electrical
items "No Serviceable Parts", so this has to be replaced.  Just replaced
mine on my 84 Westy.  A bad switch will make even a good flasher relay
"buzz" because of bad contacts inside the switch, not the relay.

http://www.airheadparts.com/vintage-vw-parts/turn-signal-switch-lever-control/turn-signal-switch-w-o-cruise-control-251953513

--
Jim Thompson
84 GL 1.9 "Gloria"
84 Westfalia 2.1 "Ole Putt"
72 411 Station Wagon "Pug"
75 914 1.8 "Nancy"
Full Timing Since March 1999
oldvolkshome@gmail.com
http://www.oldvolkshome.com
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On Fri, Oct 1, 2010 at 9:09 AM, Chuck Mathis <cvmathis@comcast.net> wrote:

> Vehicle is a late '85 Wolfsburg (04/85).
>
> My turn signals do not function.  Several weeks ago they started to
> flash really random sometimes at a normal pace and sometimes really
> fast.  When the emergency flashers were turned on all four lights (and
> the switch) flashed at a normal pace.  About three weeks ago they
> simply quit - no turn signals, no emergency flashers although the
> relay still clicked and the switch light flashed.  I pulled the relay,
> cleaned the contacts, thumped it, and reinstalled resulting in left
> side flashers but no right side.  Flipping the turn signal lever gave
> me a steady green LED in the dash but no lights and no noise from the
> relay.  I ordered a replacement relay from a vendor, installed it and
> it buzzed when I flipped the emergency flasher switch - so much for
> quality German products.  This morning I picked up a generic flasher
> relay from Napa, installed it and I have emergency flashers (all four
> corners and the switch) but flipping the turn signal lever gets me a
> steady green LED but no flashing lights.  Bulbs are all good, front
> sockets were replaced a few years ago (and coated with dielectric
> paste) and contacts are all nice and clean.  Is the turn signal switch
> 'serviceable' or is it a replacement only part?  Any tips on what else
> to look at before I mess with the switch?
>
> Chuck
> '85 Wolfsburg Westy - 'Roland the Road Buffalo'
>