05 Caterpillar 277B Aux Hydraulic Malfunction

Hi I have a 2005 cat 277b. Last time I used the aux hydraulics were about a month ago. I was using my grapple to move a few logs around. I just bought a new brush hog so I began to use it this morning, It worked for about 5 seconds and then stopped, I tried to go the other way on the thumb and the same thing happened. Now when I try again nothing happens, I tried to press the continuous flow button below the horn button and do not hear any relays. So far I am at the point to where I hooked...

05 Caterpillar 277B Aux Hydraulic Malfunction

05 Caterpillar 277B Aux Hydraulic Malfunction