ELING Universal 85mm GPS Speedometer 125MPH Speedo Odometer Adjustable for Boat RV Car Truck Motorcycle 3 3/8 12V 24V with Backlight

Cut an 85mm (3 3/8") hole in the panel and allow a clearance of 55mm (2 3/16”) behind the panel to fit the gauge. Put the gauge in the hole and screw down. Connection: Black wire-GND, Red-power(+), White-external button(+), Red/Yellow-Backlight, Blue-Left turn, Green-Right turn, White wire-High Beam 9-32V Working Voltage, Red and Yellow backlights available, Indication light: LEFT, HIGH BEAM, RIGHT Securely fasten GPS antenna, preferably outdoors (or inside front windscreen) so that it has a clear view of the sky to pick up satellite signal. Connect the antenna cable to socket in the back of the gauge. Do not cut cable OverSpeed Buzzer Alarm, Total Mileage Adjustable, Mileage Range: 0-999999 miles