START
ON
OFF
A
1 - Green
2 - Green
3 - White
4 - Pink
5 - Brown
6 - Black
7 - Blue
8 - Red
9 - Grey
1
2
3
4
5
6
7
8
9
To P.T.O Clutch
1
2
2
1
Blue
Blue
Black
Battery
Starting motor
1
7
9
6
4
8
5
2
White
Pink
Brown
Black
Blue
Red
Grey
Wiring engine and battery
Circuit board
Seat switch
Yellow
Black
Black
Yellow
Blue
Brown
Black
J3
1 3 42
3
1
4
2
P-brake switch
Blue
Black
Brown
Wiring p-brake and seat switch
J4
J6
J7
J5
1 - Grey
2 - Red
3 - Pink
4 - Red
5 - Black
6 - Blue
J8
J12
J2
Running time meter
Oil cooler fan
Hydraulic temp.sensor
Light switch
Lights
Extra power GND.
Electronic thermostat
Extra power low current, max 25A
Black
Black
Yellow
Red
On = +12V
GND
GND
+12V
Red
Blue
Orange
Orange
Green
Green
Blue
2
3
3
1
4
5
6
1
1
2
2
5
3
4
6
2
1
1
2
4
3
5
6
Yellow connector
Start key switch
START = C-D, A-B
ON = C-D, F-A
OFF = E-F
P.T.O switch
Power switch
Power socket
Electrical connections
Connector board, no active
component at the circuit
board.
Green
Green
LIGHT
5A
P.T.O
5A
POWER
SOCKET
5A
OIL COOLER
FAN
10A
Husqvarna AB
Connectorboard
P524
2010-07-30 Rev B
1
1
1
1
1
1
22
2
3
3
3
3
55
5
8
YELLOW CONNECTOR WHITE CONNECTORRED CONNECTOR
STEERING COLUMN
OIL COOLER FAN
+12V
12V SOCKET
START KEY P.T.O SWITCH
MOTOR & BATTERY
SOCKET SWITCH
OIL COOLER FAN P-BRAKE & SEAT
FU4
J2 J7
J6
J3
J12
J8 J4
J5
FU3 FU2 FU1
GND
6
4
2
2
2
4
6
6
4
46 5
9
7
A
B
C
D
E
F
Grey
Red
Pink
Red
Black
Blue
1 - Orange
2 - Grey
3 - Yellow
4 - Orange
5 - Grey
6 - Yellow
1
2
4
3
5
6
White connector
2
1
3
4
5
6
Orange
Grey
Yellow
Orange
Grey
Yellow
2
1
1
2
Control panel
86
30
87a
87
85
87
86 87a 85
30
Relay holder
Red tape
1 -
2 - Blue
3 - Orange
4 - Green
5 - Green
6 -
1
2
4
3
5
6
Red connector
Pink
Engine connector
Pink
White
Green
1
2 3
4 5 6
1 1 1 1 1 1
7
8
9 10
11
7 8 9 10 11
12
12
65
4
321
12
11
10
9
87
ON
OFF
1
4
2
3
5
6
Throttle
Engine indicator
LED
Oil Pressure LED
Brown
White
White
Pink
Blue
Grey
Black
Orange
Black/White
Black
Yellow
Violet
Red
Violet
Red
Yellow
Red
Black
Black
Black/White
Orange
Red
Red
Green
Green
Red
Yellow tape
J1
J1
Black
Green
AB
SP
C
Q
H
J
G
K
F
L
E
M N
D
2
1
2
1
Red +12V
Blue GND
2a
2
1
2
2
1
Red Power socket ON
Red +12V
1
2
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