Backup lamps circuit for Volvo S80 I (1998-2003)

2 6 3 7 4 8 1 5 (50-42) (55-50) 50-42 55-50 AUTOMATIC TRANSMISSION SOLENOID GEAR POSITION CONTACT BLK WIRE BLU WIRE CARGO COMPARTMENT RELAY/FUSE BOX CENTRAL ELECTRONIC MODULE (ON PASSENGER COMPARTMENT RELAY BOX) COMPUTER DATA LINES SYSTEM GRN WIRE HOT AT ALL TIMES FUSE LEFT REVERSING LIGHT LEFT TAIL LAMP HOUSING M/T NCA WIRE RED WIRE REVERSING LIGHT CONTACT, REVERSING LIGHT RELAY RIGHT REVERSING LIGHT RIGHT TAIL LAMP HOUSING TRANSMISSION CONTROL MODULE (RIGHT SIDE OF ENGINE COMPT, FORWARD OF STRUT TOWER) WHT WIRE YEL WIRE YEL/GRY WIRE