Problem with speed controllers

[Michael440]

Hi, I hope someone can help. Set up. One mtroniks viper marine controller running two motors, both motors running in both directions. One viper marine controller running two water pumps plus supplying power to receiver. This second controller has had the red wire removed. Both controllers have their own battery. Problem is that the pumps only go in one direction. I have removed both speed controllers from the Wtc and connected two new motors and a new pump ( I only have one space pump) and all work ok. But the controllers back in the model pump only one direction again. I have followed the mtroniks set up countless times with no joy. Anyone have any ideas, thanks

[He Who Shall Not Be Named]

Hi, I hope someone can help. Set up. One mtroniks viper marine controller running two motors, both motors running in both directions. One viper marine controller running two water pumps plus supplying power to receiver. This second controller has had the red wire removed. Both controllers have their own battery. Problem is that the pumps only go in one direction. I have removed both speed controllers from the Wtc and connected two new motors and a new pump ( I only have one space pump) and all work ok. But the controllers back in the model pump only one direction again. I have followed the mtroniks set up countless times with no joy. Anyone have any ideas, thanks

Some pumps (centrifugal and diaphragm for example) pump in only direction regardless of shaft direction of rotation). Maybe that's the issue?