OK, I want you to measure between that GREEN wire which is GROUND and the BLUE wire which is V-. Is that infinite?
Yes, it is.
Originally Posted by CNCMAN172
If so lets run a quick experiment. Take a new wire and connect the GREEN WIRE to the BLUE wire at the power supply. This will bring the negative side of the DC power supply output to Ground potential.
I connected the green wire and the blue wire, which is right next to the green wire it and it tripped a breaker. You meant the blue wire, which connects to the Ramps board, right?
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