Terex 32935 Electric-Hydraulic Adapter Harness For 30869 Joystick

I was curious when I need this harness. I believe I have the original joy stick in the truck, and I believe I need to change it for the newer 30869 joystick. I just want to verify that I do need this harness to go from the old wiring on the original joystick to the new wiring on the 30869 joystick.

If you pull out your current joystick and look at the connectors, you should be able to tell if you need this harness or not. If the connectors on the truck harness are two box deutsch style then the new 30869 joystick will plug into it. If the truck has one box deutsch style and one flat 8 pin connector, you will need this harness to connect the newer style joystick to the truck. Trucks 2013 and newer should not need a harness, I think the change happened around 2008