[LVC]

Originally Posted by Luddite

There's a 2001 S4 owners manual (91370601F - printed 01/2001) on issuu with a wiring diagram on page 78, which might help.

https://issuu.com/marcoslara5/docs/d...wner_s_manu/78

Thank you, yes this confirms what I thought - fuse box to switch with no diode - still can't see why anyone added it though but won't be putting one back unless I discover a really good reason to.