Thanks guys.. it is the p-30 chassis. I'm not sure about the type of hydraulics it has on it but the top plate does have a fuse & yes it will not work if the parking break is not engaged... this all shows on the top plate so I know I have the parking break engaged & the fuse is working because I have power to the top plate & the red light is on & its showing which way to adjust the rv. But when I press the 2 levers down the Jack's do not come down??? Now if i use the center lever and move it around i can hear the click sound like it working but the Jack's havent come down.
So fuse is good & parking break is engaged