5100M Mid-SCV Third Function issue

Mistyridgefarm · Nov 10, 2016

Good day all,

The third function mid-SCV (electro-hydraulic) stopped working on my 5100M. I hadn't used it in months. Since both extend and retract are not working, I suspect an electrical issue. I could not locate a fuse for it under the left fender fuse box, nor were any of the relays marked for SCVs. I checked every fuse just to be sure.

I pulled up the parts diagram on JD Parts and the wiring harness shows two relays(makes sense) and what looks like a power connection wire. The problem is, I cannot tell where on the tractor they are located. Does anyone have an idea where to look?

Only one wire bundle comes out of the floor of the cab to the remote valves. The only other place I could think of would be inside the right side console?

beenthere · Nov 10, 2016

I'd suggest getting the service tech manual for your tractor. They are "priceless" IMO if one wants to check these things out, rather than a visit to the dealer for them to maybe do something simple (but at their rates).

jd110 · Nov 10, 2016

The relays are under the right side console. The power connection at the junction block is under there also.

sisupower · Nov 19, 2016

Mistyridgefarm said:
Good day all,

The third function mid-SCV (electro-hydraulic) stopped working on my 5100M. I hadn't used it in months. Since both extend and retract are not working, I suspect an electrical issue. I could not locate a fuse for it under the left fender fuse box, nor were any of the relays marked for SCVs. I checked every fuse just to be sure.

I pulled up the parts diagram on JD Parts and the wiring harness shows two relays(makes sense) and what looks like a power connection wire. The problem is, I cannot tell where on the tractor they are located. Does anyone have an idea where to look?

Only one wire bundle comes out of the floor of the cab to the remote valves. The only other place I could think of would be inside the right side console?

I'm a tech for JD. Do you need me to send some pics to you. I have bring my computer home every day. No a big deal. Just let me know if I can help.