have a 95 jetta gl 5spd short shift it has major issues with brake/turn/parking lights...they work but not correctally have changed head light switch and turn signal switch looked at fuses all good, the wiring is a mess but looks ok,,, still if head lights are OFF the brake lights work but signal lights also light up with brake lights the and both signal lights on instrument cluster light up the turn signal work but its not the signal light that blinks its parking light and signal lights both light up solid....HOWEVER...with head lights ON the brake lights do not light up instead the turn signal lights only light up...the turn/hazzard indicatorns on cluster still light up thou...BUT the turn signals do NOT work they come on but stay solid and INSTEAD the parking lights blinks on opposite side...However if you hit breaks u get no break lights AND NO turn signals at all not even the parking one that works until you hit brakes and the parking/running lights dont work.... on the cluster both signal lights blink when you signal and one brighter that the other and when turning left normal clicking noise turn right faster clicking noise......head lights work normal........PLEASE SOMEONE TELL ME WHAT CAN IT BE?????????? IDEAS ARE GREATLY APPRECIATED... thank you

 

I'm having exactly the same problem that you're describing. Did you find a fix for it?