Can I Splice Tethered Joystick to Skid Steer Electric Over Hydraulic Controls for Backhoe?

The discussion centers on modifying a skid steer's electric over hydraulic 4-way joystick control system to enable remote operation of a backhoe attachment without leaving the backhoe seat. The original system likely uses switches controlling solenoid valves, but some skid steers may employ CAN bus digital controls, complicating modifications. The proposed solution involves splicing a tethered joystick connection in parallel with the existing joystick or alternatively rigging a remote joystick control within the cab. Additional safety features considered include wiring an engine kill switch and throttle control, with the latter potentially requiring an electronic actuator rather than mechanical linkage. The user is investigating the Case TR310 backhoe attachment and exploring parts diagrams and schematics to identify control system details, including the possibility of modifying the 6-spool hydraulic backhoe controls or purchasing a pre-wired Case joystick for integration. Sharing relevant schematic excerpts is encouraged to provide targeted advice, focusing on joystick switches, solenoids, and hydraulic spool valves.
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