It helps to know which switches you have up front, if using the wireless foot switch there should be two small buttons in the center, if memory serves me well, push the button on the left with a ball point pen till it blinks a few times, this should change the speed. If you have the hard wired foot switches then i have no idea. If you just have the dash mount switch up front, on the Up button, there is a little timer in the upper left corner, push on that till the light flashes, then check the speed of your pumps, they should have 3 settings.