Back-up lamps circuit for Volvo S40 II (2004-2007)

AUTOMATIC TRANSMISSION PROGRAM SELECTOR BACK-UP BLK WIRE BLU/RED WIRE CENTRAL ELECTRONIC MODULE (CEM) (BEHIND RIGHT SIDE OF DASH) COMPUTER DATA LINES SYSTEM ENGINE COMPARTMENT DISTRIBUTION BOX (LEFT SIDE OF ENGINE COMPT) FUSE GEAR SELECTOR MODULE (AT BASE OF SHIFT GRN/BLK WIRE GRN/BLU WIRE GRN/YEL WIRE GRY/RED WIRE HOT AT ALL TIMES LEFT REAR LAMP HOUSING LEVER ASSEMBLY) RED WIRE RED/BLU WIRE RED/YEL WIRE REVERSING LIGHT SWITCH (M/T) (ON TRANSAXLE, NEAR GEAR POSITION CONTACTS) REVERSING LIGHTS RELAY RIGHT REAR LAMP HOUSING TRANSMISSION CONTROL MODULE (AT REAR OF ENGINE COMPT) WHT/RED WIRE