Volvo S70 I (1997-2000) Back-up lamps circuit

A/T BACK UP LAMP BACK-UP LIGHT SWITCH (ON TRANSAXLE) BLK WIRE BLU WIRE CENTRAL ELECTRICAL ENG COMPT) EXTERIOR LIGHTS CIRCUIT FUSE GEAR POSITION SWITCH (ON TRANSAXLE) GRY WIRE HOT W/ OVERLOAD RELAY 106 ENERGIZED LEFT LOWER TAILLAMP UNIT BACK- UP LAMP LEFT TAILLAMP UNIT BACK- UP LAMP M/T NCA WIRE RIGHT LOWER TAILLAMP UNIT RIGHT TAILLAMP UNIT UNIT (LEFT REAR OF