Turn Signal / Marker Light Weirdness -- 73 Std. Bug

[BrianTheDude]

I'm in the process of getting all the lights working properly on my 73
standard beetle, and need some advice. When the headlight switch
(recently replaced) is in the 1st position, the left front marker
light comes on as normal, but the right is off. When I turn the switch
to position 2 (lights fully on), the left one goes out, but the right
one comes on! Both work when used as emergency flashers and turn
signals. The wiring diagram (courtesy thesamba.com) implies that the
marker lights are wired together from the switch (and the wires at the
switch appear to be in stock configuration), so I'm at a bit of a loss
here. Any ideas?
Thanks!
-Brian

[Jim Ed]

You need to send a message to Speedy Jim.

http://www.nls.net/mp/volks/

[Speedy Jim]

The front lights are wired like this:
http://www.nls.net/mp/volks/schem/turn_sig.jpg
The Gry wire from each side goes to Fuse #1.
Check that this is correct.

Both fuses #1 and #2 are fed from Term #58
on the Headlight switch, shown in this photo:
http://www.nls.net/mp/volks/PICS/Headsw_x.gif

If that wiring all looks OK, I would check for
a poor earth connection on the right side.
Test for it by using a jumper wire from chassis
to the lamp socket shell and see if the problem resolves.

Speedy Jim
http://www.nls.net/mp/volks/

[BrianTheDude]

Thank you for your responses, Jim(s)! I cleaned up the grounds,
replaced the bulbs and double-checked all the wiring, but still no
dice. I'm also having rather catastrophic problems getting the tail
lights working properly (will have to post about that soon too, if my
efforts this weekend fail). I wonder if the problems could be from a
common cause? The lights all worked fine on the car when it was a
daily driver a couple years ago, so I'm thinking that at least in
theory there should only be one or two new problems causing all this
mess... Will do some more troubleshooting and update soon. Thanks
again,
-BrianTheDude

[dave AKA vwdoc1]

Clean all fuse terminals and install all new fuses!
Check power at fuse panel (in trunk) and follow wires to their components.
Somewhere you will find corrosion and it could be inside of the wire!

Taillights have connections (weak link) behind the engine compartment
insulation panels.

Sounds like fun! ;-)
Good luck!
--
later,
(One out of many daves)

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