Audi A4 B6 (2000-2006) Backup lamps circuit, avant (low line)

A/T BACK-UP BACK-UP LIGHT SWITCH BLK WIRE BLU WIRE BRN WIRE FUSE 31 FUSE HOLDER (LEFT END OF DASH) HOT IN RUN OR START LEFT TAILLAMP ASSEMBLY M/T MULTI- FUNCTION TRANSMISSION RANGE (TR) SWITCH RED WIRE RIGHT TAILLAMP ASSEMBLY