Mazda CX-7 I (2006-2009) Back-up lamps circuit

AUDIO UNIT (W/ NAVIGATION) BACK-UP LIGHT RELAY BLK WIRE BLK/GRN WIRE CAR NAVIGATION UNIT (W/ NAVIGATION) (UNDER FRONT PASSENGER'S SEAT) FUSE BLOCK (UNDER LEFT END OF DASH) GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START LEFT BACK-UP LIGHT MAIN FUSE BLOCK (LEFT REAR OF ENGINE COMPT) METER FUSE RED WIRE RIGHT BACK-UP LIGHT TNS FUSE TRANSAXLE CONTROL MODULE (TCM) (LEFT SIDE OF ENGINE COMPT)