Follow its route to the pump.I went to my local Deere dealer to get a price on rear remotes.. well they wanted 2k for just parts.. I can not justify that so I am going another route.. I ordered an electric momentary valve from summit.. my question is about the existing hydraulics under the seat of the tractor.. from the research I have done there is a hard line that completes a loop running from the pump back to the tank that the factory rear remotes tie into.. does anyone have any insight on which side is the pump side and which side is the tank side.. the line goes from one side of the tractor to the other.. left to right or vise Versa.. thank you in advance