2 In 1 Motorcycle LED Digital Speedometer Tachometer Oil Fuel Gauge

2 In 1 Motorcycle LED Digital Speedometer Tachometer Oil Fuel Gauge Description: waterproof High performance, Tachometer and Fuel Gauge combined into one Easy installation and high accuracy Bright LED reads out, easy viewing at all angles during lighting conditions SMD chip electronic components, processed by automatic placement machine, stable operation, suitable for motorcycle modifying Specification: Material: Metal Dimension: As the Picture show Wire Length: Approx. 30cm(11.8'') Color: Silver Operating Voltage: DC 12V LED Indicator Display: Blue LED :Speed Red LED : Oil Level Tachometer installation and debugging method: 1. Connect the positive and negative pole to power supply correctly. 2. Turn on the electric door switch, tachometer will display to 0, and then let the signal line touch the positive pole of power supply. If the digital display changes, it can work normally. 3. Connect the signal cable, start the car, and then it can display speed. Fuel gauge installation and debugging methods: 1. Connect the positive and negative pole to power supply correctly. 2. Turn on the electric door switch, fuel gauge displays a grid of red, and then connected signal line to the negative pole. Wait for a while, LED light will all light up slowly, indicating normal operation. 3. Connect the signal line, fill up, slowly adjust the potentiometer to make all the LED lights on. When oil runs out, slightly adjust potentiometer so as to make only one red LED light on. Please note: The original fuel gauge can not be used together Wire connection: Red wire connect to the power positive pole, Black wire connect to the negative pole, Green cable connect to the engine speed signal line, Yellow wire connect to the fuel gauge signal line. Package Included: 1 X Tachometer and Fuel Gauge