Setups Battery Monitor

WyDiablo

Member
I ordered the 3-wire battery monitor below and was wondering about the wiring. I connected the red wire to the hot and the black wire to the ground and the monitor light up but did not show a voltage. I connected to blue wire and the black wire together and the red wire to the hot and got the same thing. Do I need to connect the blue and red wire together and the black wire to the ground to make it show a voltage?

GOPR0037.jpg (50.4 KB)

P,S, I solved the problem guys. The red and blue together to the hot and the black to the ground
 
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