850HL brake bleeding issue

Hey guys…I posted this here because I need the expertise of the HL crowd. I put on a big lift and had to replace the rear brake lines. Now attempting to bleed the brakes and I am unable to to pull any fluid to the back. The manual shows a separate fluid container for the rear brakes on a regular 850 but not sure this is the case on the HL. If I bleed the front brakes it pulls from the master cylinder on the handle bar (as expected). I’ve pulled the line going to the rear from the foot brake pedal cylinder and no fluid flows. It’s completely dry. I’ve got a one man pressure bleeder so it "should" pull the fluid but no go. There is a black hose leading up to the steering column but not sure where it goes. Short of tearing all the plastics off…which I’m about to do…anyone have an idea? I do not see another container.

Love this machine and can’t wait to try out the lift.
Thanks in advance for any assistance!!!