Wierd Tail light wiring

[Per Lindgren]

Have you even checked the fuse? There are separate fuses for left and
right parking lights. I'm pretty sure there is one output from the light
switch which is split up in the fusebox.

PerL
87 Coupe quattro with 65,000 miles ;-)

Cade Carvell wrote:

>Hello,
>  I would like to say, that I first checked the archives, and I think I
>know what I need to do, but I would like to bounce off the group first.
>  I was driving home from work and the next day a co-worker told me that
>the rear-passenger side light was out, it was night time.  I thought no
>big deal, need a bulb or two.
>  I checked today, nope, bulb if fine.  Then I noticed that the front
>passenger side marker light didn't turn on with the headlight switch.
>The turn worked for both front and rear lights, and brake light worked
>fine too for both.
>  So, I started testing wires.  I couldn't find the harness connecter
>for the rear wiring.  Is there one?  I thought the easiest thing to do
>would be disconnect the harness and use an ohm meter to test resistance.
>  Anyway, not finding that I started testing wires at the rear harness
>(by the taillights).  I have no resistance to the wires, but the power
>lead to the passenger side showed .13V, not good.
>  Since my manual is in shipping, due end of next week (thanks to Barnes
>and Noble), I cheated and ran a heavy gauge wire from the drivers side
>(grey W/ black stripe) to the passenger side (Grey w/red stripe), in
>essence tying the two together.
>  After I did this, hopefully temporary, baring weather, The front
>passenger side side marker light works fine, and the rear light works
>great too.
>  Since I don't have the manuall yet, does any one know if this signals
>anything but bad trunk wiring?  Is the headlight switch ok?
>  If I run this for a while, do I need to be worried about shorting
>anything out?  Should I disconnect the rear passenger side wiring (grey
>w/red stripe), until I can sort it out?
>
>  Thanks for any insight you may have.
>87 4000 Quattro, with 63,000 miles.
>
>
>Cade Carvell
>National Business Systems, Inc.
>Eagan, MN 55121
>Office: 651-994-4400
>
>
>
>