T-56 swap
You can use wire taps at the plug that connects to the A4 shifter, you connect two wires for the hatch, run the reverse light wires to the trans, splice the neutral safety under the dash (not like most people that run wires under the carpet from the old shifter plug to the pedal switch).
To get cruise and reverse lockout to work you need to add one or two pins to the VCM harness.
If I wanted to go back to an A4 I'd have to remove a few added wires, my original harness is 100% intact.
You can either jump the wires that went to the A4 shifter or cut and splice but thats part of the interior wiring harness, no one in their right mind is going to change that out just to have not cut 5 or 6 wires. Especially if you jump them instead of cutting.
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My A4 plug is strapped up out of the way, untouched, unhacked.
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