Porsche Boxster 987 (2004-2006) Back-up lamps circuit

17 22 BATT (RIGHT) BACK-UP LIGHT 2 8 11 CAN HIGH CAN LOW GND 3 6 42 BATT GND GND 37 38 40 CAN HIGH CAN LOW BACK-UP LIGHT SWITCH A/T M/T BACK- UP LIGHT BACK-UP LIGHT SWITCH (ON TOP RIGHT OF TRANS- MISSION) BATT (LEFT) BLK WIRE BLK/BLU WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM CURRENT DISTRIBUTOR EMERGENCY POWER PIN EMERGENCY POWER SUPPLY RELAY 1 EMERGENCY POWER SUPPLY RELAY 2 FUSE FUSE HOLDER A (ON FUSE SUPPORT, UNDER LEFT SIDE OF DASH, AT LEFT KICK PANEL) GRN WIRE HOT AT ALL TIMES LEFT TAILLIGHT ASSEMBLY BACK- UP LIGHT NCA WIRE ONBOARD NETWORK CONTROL MODULE (UNDER LEFT SIDE OF DASH) PARKING ASSISTANT CONTROL UNIT (UNDER LEFT SEAT) POWER DISTRIBUTION SYSTEM REAR CONTROL UNIT (UNDER LEFT SEAT) RED WIRE RED/BLU WIRE RED/BRN WIRE RED/GRN WIRE RIGHT TAILLIGHT ASSEMBLY YEL WIRE