Bypass the controller on a DC pump?

[MKLKT]

Originally Posted by FishyFishy!

Im actually using an aftermarket power supply at the moment. It powers both of the pumps. How can I test the power supply? I do have a volt meter.

If it's the little DC jack style the outside sleeve is the negative lead and inside is positive. Not sure what the output from the adapter is, 12, 24V? Adjust the multimeter to the range that is closest to that, plug it in and measure if it's outputting anything.