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Read articles →This is a hands-on DIY install video, not a walkaround: an owner of a 2016 Mahindra 3540 PST with a 3550L loader documents wiring in a VK MH 3550L third-function kit from thirdfunction.com, covering bracket mounting, joystick rocker switch wiring, power routing to the key switch, and hydraulic hookup to the power-beyond port. He also flags an unresolved problem where the grapple can't curl/dump and open/close simultaneously, asking viewers for troubleshooting input. Best for 3540 owners planning this exact install.
Posted by an individual tractor owner sharing a real DIY installation on his own machine, including an unresolved issue he's still troubleshooting.
Mount the valve bracket using the existing floor pan bolt, wire the rocker switch into the joystick, run power to the key switch, then connect hoses to the power beyond port behind the loader frame.
No, the owner found he can only dump or curl, or open or close the grapple, not combine them, and is asking viewers for troubleshooting help.
The owner paid 925 dollars for the third function kit from thirdfunction.com.
