If you can Handel having two power supplies
Replace the 11amp poly fuse with a thick wire. Plug the 24v supply into the 11amp ramps plug via a inline 24volt car fuse. Plug the Bed in to D8 as per normal.
If you want to upgrade to be 24volt only, that to can be done, but is a lot more work...
Replace the 11amp poly fuse with a thick wire. Plug the 24v supply into the 11amp ramps plug via a inline 24volt car fuse. Plug the Bed in to D8 as per normal.
If you want to upgrade to be 24volt only, that to can be done, but is a lot more work...