FEATHER--Stepper motors used for full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc.
EASY TO INSTALL--Open a hole in the panel for 52mm(2 1/16") Put the gauge in the hole, make a clearance for 70mm ((2 3/4”) on the behind panel to match the gauge. Using M4 nut and C type bracket to seal up the gauge.
WIRE CONNECTIONS--Red wire --- Power Positive. Orange wire (backlight) --- Power Positive. Blue wire --- Power Negative.