Yes, the lines go to the rear couplers for the 3rd SCV.
Here is what you get in the JD kit:
HYDRAULIC HOSES AND OIL TUBES - THIRD FUNCTION (300CX)
Cart key PART NO. PART NAME QTY SERIAL NO. 300 300X 300CX REMARKS
1 M42702 Snap Ring 2 X
2 AW32609 Line 2 X
3 W45635 Plug 1 X (A) (C)
...... Plug 1 X (B) (C) (ORD AW28043)
4 AW30147 Hydraulic Hose 2 X 3/4" X 1800 mm (70-3/4") X 17.4752"
5 W45608 Cap 1 X (A) (C)
...... Cap 1 X (B) (C) (ORD AW28043)
6 AR94522 Hydr.Quick Coupler Plug 2 X
7 W45609 Cap 1 X (A) (D)
W42991 Cap 1 X (A) (E)
Cart key PART NO. PART NAME QTY SERIAL NO. 300 300X 300CX REMARKS
...... Cap 1 X (B) (E) (ORD AW28043)
8 AW30239 Hose 2 X 3/4" X 2300MM (90-1/2") X 3/4"
9 W42411 Cap 1 X (A) (F)
...... Cap 1 X (B) (C) (ORD AW28043)
10 R105388 Tie Band 4 X
11 W45634 Plug 1 X (A) (D)
...... Plug 1 X (B) (E) (ORD AW28043)
12A W45797 Bracket 1 X (SUB W52215)
12B W53059 Bracket 1 X (SUB FOR W52215)
13 LVA12997 Hyd. Quick-Connect Coupler 2 X (A) 3/8", (SUB FOR AM105466, THIS APPL)
Cart key PART NO. PART NAME QTY SERIAL NO. 300 300X 300CX REMARKS
LVA13231 Hyd. Quick-Connect Coupler 2 X (B) 1/2"
14 AW32982 Oil Line 1 X
15 AW32983 Oil Line 1 X
16 W44542 Block Clamp 1 X
17 W52153 Screw 2 X (SUB FOR 19M8040, THIS APPL)
18 M70728 Cap 1 X (F)
W53377 Cap 1 X (E) 1/4"
19 X4010-T6 Hydr.Quick Coupler Plug 1 X (SUB FOR AW32184)
20 32246 O-Ring 1 X
21 AM102487 Hyd. Quick-Connect Coupler 1 X
Cart key PART NO. PART NAME QTY SERIAL NO. 300 300X 300CX REMARKS
22 M85099 Plug 1 X (A) (F)
W53387 Plug 1 X (C) 1/4"
23 W50244 Hose Clamp 6 X
24 19M7286 Cap Screw 2 X M6 X 25
25 14M7272 Nut 2 X M6
26 R26448 O-Ring 2 X
27 T77613 O-Ring 4 X
28 AM105467 Hydr.Quick Coupler Plug 2 X (A)
AR94522 Hydr.Quick Coupler Plug 2 X (B)
29 R26375 O-Ring 6 X
Cart key PART NO. PART NAME QTY SERIAL NO. 300 300X 300CX REMARKS
30 19M7286 Cap Screw 2 X M6 X 25
31 14M7272 Nut 2 X M6
32 ...... Cap 1 X (B) (E) (ORD AW28043)
.. AW28043 Plug 1 X (G) (I) 1/2"
.. AW34729 Quick Coupler Kit 1 X (H) (J) 1/2"
(A) FOR MACHINES WITH 3/8" COUPLERS PRIOR TO 1NOV. 06(B) FOR MACHINES WITH 1/2" COUPLERS
(C) Orange(D) Blue(E) Green
(F) Black(G) Dust cap and plug(H) Coupler conversion
(I) Contains six colored caps and plugs(J) Contains AR94522 and 4 color dust caps