I'd have to look at a manual, but I think it has a 2 section pump, 1 section is the traction booster (very small output) and the other is the trans/steering/hydraulics. It was controlled by the priority valve that would give priority to the trans/steering cricuit first, then the hydraulics. I don't have my manual in front of me, but I want to think it is the spool behind the biggest hex plugs on the pump. Maybe someone can verify for me. If not, I can try to scan the pages of the service manual to you. I'm thinking the priority valve is stuck open to the remote hydraulic port. When you activate a remote, you are dead-heading against the relief valve, which allows fluid to bypass into the transmission/steering section. This is all speculation without seeing my manual and the flow diagram through that pump. Do you have decent remote function at lower RPMs? If the priority valve is working, usually a 7000 won't put out much flow or pressure from the remotes until you get around 13-1500 rpms.
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