S5 - head
S4 - External cable

S5-1 Chassis ground
S5-2 NC?
S5-3 SW8-13
S5-4 D1-1
S5-5 SW8-12
S5-6 D2-1
S5-7 SW8-14
S5-8 D4-1
S5-9 SW8-16
S5-10 D6-1
S5-11 SW8-9
S5-12 D7-1
S5-13 SW8-7
S5-14 R3-1 K1-6 K2-2
S5-15 SW8-4
S5-16 R1-1 K1-2
S5-17 SW8-6
S5-18 D9-1
S5-19 SW8-3
S5-20 D11-1
S5-21 SW8-17
S5-22 D13-1
S5-23 SW8-1
S5-24 D15-1
S5-25 SW8-19
S5-26 D16-1

D3-1 SW8-21
D5-1 SW8-11
D8-1 SW8-15
D10-1 SW8-18
D12-1 SW8-8
D14-1 SW8-5

K1-8 K2-7 R1-2 R2-1 R3-2 S4-5 (relay power)
K1-7 Z13-5 (75452 low side driver)
K2-8 Z13-3
Z13-4 S4-3 (relay gnd return)

D1-2 S4-15
D2-2 S4-17
D3-2 D4-2 S4-19
D5-2 D6-2 S4-21
D7-2 D8-2 S4-23
D9-2 D10-2 S4-24
D11-2 D12-2 S4-22
D13-2 D14-2 S4-20
D15-2 S4-18
D16-2 S4-16

K1-1 K1-4 S4-26 K2-3 K2-5

K1-5 K2-1
K1-6 K2-2

K2-6 R2-2

K1-3 K2-4 S4-14

Head 
Black 1
Yellow 1
Green 2
Red 11
White 11

S5-2 Yellow
S5-4 White
S5-6 White
S5-8 Red
S5-10 Red
S5-12 Red
S5-14 Green
S5-16 Green
S5-18 Red
S5-20 Red
S5-22 Red
S5-24 Red
S5-26 Red

S5-1 Black
S5-3 White
S5-5 White
S5-7 White
S5-9 Red
S5-11 White
S5-13 White
S5-15 White
S5-17 Red
S5-19 Red
S5-21 White
S5-23 White
S5-25 White

(#) is which head pole. 1 is outer side of head.
2 yellow is center tap for 1,10 for skew check.
2 - 26 pole 10 Only .6 ohms so single winding
2 - 4 pole 1,10
2 - 14 pole 1 Only .6 ohms so single winding.
S5-14G to 2Y(1,10), 4W(1,10),6W(2,9),24R(2,9),26R(1,10)
S5-16G to 3W(3),9R(3),11W(4),17R(4),19R(5),25W(5)
G seems to be center tap?

5W-12R(6) .6 ohm 12 to SW8-24 to S5-3, 5 to SW8-12 to 1,4,7,10,14,17
7W-18R(6)
13W-10R(7)
15W-20R(7)
23W-22R(8)
21W-8R(8)