one solution is to swap in a motor from an 80's or 90's VW or Audi. i am sorry i can't tell you exactly which car but if you are junkyard friendly you could do some hunting. the regulators are a similar type to the early 124. i sell VW parts and we have some old stock 80's and 90's Vw parts, when the left rear window motor on my '87 wagon died i was able to find and swap in a VW part fairly easily. the motor itself is the same, made by brose, it required some taking apart and swapping the wires but nothing too difficult. once you got the motor down to the drive portion it was nearly identical, maybe one screw boss had to be clearanced as i recall.

and as for the post above, indeed the wires on the left rear door jamb are bad on my car, but the window will work from the front switch. the wire repair is another day.

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punkinfair