Most likely you will find a break in one or more wires in the rubber accordion
that is in the drivers door hinge (assuming that it is similar to the T44 series
'84 - '91). That is a common problem that causes a number of electrical
You will probably need to remove the kick panel on the inside and the door
panel. Try to replace the broken ones with wire that has multiple small strands
to be able to take future flexing when the door is opened and closed. Some
people crimp but I solder and tape / heat shrink the connections. Be sure to
look at all the wires carefully because sometimes they break internally and the
insulation is still intact.
A true Audi experience is yours. :-)
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