ELING Digital Oil Pressure Gauge 0-5bar with Red Backlight 52mm(2") 12V 24V for Generator Boat

Product description <img alt="白色背景LOGO" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/391413c4-7c50-4f96-9b28-606e97d279be.__CR0,0,600,180_PT0_ SX600_V1___.jpg"/> <img alt="810-00141-Banner" src="https://m.media-amazon.com/images/S/aplus-media-library-service-media/f888de35-8494-4ccc-a682-c27886ededf2.__CR0,0,970,600_PT0_SX970_V1___.jpg"/> Technical Data Fixing dimension 52mm(2") Indicating Range 0-5Bar Signal 10-184ohm Working Voltage 9-32V(12V/24V) Backlight Red Operation mode LCD display, stepper motor Product Introduction <img alt="810-00141-"></img> How to install it ? - Cut an 52mm (2 1/16") hole in the panel and allow a clearance of 70mm (2 3/4") behind the panel to fit the gauge.

- Put the gauge in the hole.

- Using M4 nut and C type bracket to seal up the gauge.

<img alt="810-00141-"></img> How to connect wires ? Red wire --- Power Positive.

Black wire --- Digital Oil Pressure Signal.

Orange wire (backlight) --- Power Positive.

Blue wire --- Power Negative.