1998 Audi Quattro Headlights, blinkers, AC

Hello and thanks for donating

Unfortunately, there is no single fuse that protects all of these circuits. So that does eliminate the easy fix. What seems to be the problem is wiring issue in the steering column though. You will want to inspect the wiring in the column and use a tester as well as visually inspect them. One bare wire could short out the components there.