Tachograph circuit for Mercedes-Benz GL-class X166 (2012-2016)

*** BATTERY COMPARTMENT PREFUSE BOX BLK/WHT WIRE BRN WIRE DATA DIGITAL TACHOGRAPH CONTROL UNIT DIGITAL TACHOGRAPH DISTANCE, SPEED SENSOR DIGITAL TACHOGRAPH PULL-UP RESISTOR DZSVL A ELECTRONIC STABILITY PROGRAM CONTROL UNIT FUSE 120 FUSE 45 GRY/BLK WIRE GRY/BLU WIRE GRY/BRN WIRE GRY/RED WIRE GRY/WHT WIRE HOT AT ALL TIMES HOT W/ CIRCUIT 15 RELAY ENERGIZED REAR FUSE BOX RED/WHT WIRE SAM CONTROL UNIT