I have an Eclipse AVN 6600 left over from my old ride and I want to install it in my 2001 A4. I have a Metra kit on order.
Now here's my problem:
I need to find the speed sensor wire. On my old ride i tapped it off the OBD2 connector. Any info on what pin this is?
Also I need to find the reverse light (+) wire.
Thanks in advance for any help.

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01 A4 1.8TQ AT-APR Stage1 & Snub Mount-HyperBoost DV-K & N Air Filter-STI Coils-NGK Plugs-N75 J Valve-Borla Catback-ASA AR1 18x8s w/Yokohama AVID W4S 225/40/18-H & R Coilovers-Eclipse AVN 6600 & Hifonics Zeus-Depo F/L Headlights w/HIDs-Smoked Side Markers-RS4 Grille

Wow what a resonse! Thanks alot guys!

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01 A4 1.8TQ AT-APR Stage1 & Snub Mount-HyperBoost DV-K & N Air Filter-STI Coils-NGK Plugs-N75 J Valve-Borla Catback-ASA AR1 18x8s w/Yokohama AVID W4S 225/40/18-H & R Coilovers-Eclipse AVN 6600 & Hifonics Zeus-Depo F/L Headlights w/HIDs-Smoked Side Markers-RS4 Grille

VSS is white/ blue behind cluster you only need reverse if you are hooking up a camera and you can get it at the tail light or harness running to the rear