Open a 52mm (2") hole in the dashboard and allow a clearance of 55mm( 2 3/16”) behind the panel to fit the gauge
Connection: Black wire-GND, Red wire-power(+), Yellow wire-external button
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