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Schematics
Electrical Diagram – 31HP Briggs & Stratton
3
I
A
S
B
X
Y
SEAT DELAY
MODULE CONTROL
SEAT DELAY
MODULE INPUT
SEAT
SWITCH
PTO
CLUTCH
PTO
SWITCH
GROUND
FUSE
20 AMP
KILL
RELAY
START
RELAY
BRAKE
SWITCH
LH MOTION
CONTROL
RH MOTION
CONTROL
IGNITION
SWITCH
HOUR
METER
FUSE
30 AMP
STARTER;
BATTERY (POS)
RED
YELLOW
TAN
TAN
ORANGE / BLACK
DK GREEN
DK GREEN
LT BLUE
PINK / BLACK
BLACK
BLACK
BLACK
VIOLET
YELLOW / BLACK
DK GREEN / WHITE
ORANGE
WHITE
DK BLUE
YELLOW / BLACK
YELLOW / BLACK
HEADLIGHT
HARNESS
FUSE
15 AMP
ENGINE
SEAT DELAY
MODULE DIODE
GREY
BLACK
WHITE / BLACK
BLUE / BLACK
ORANGE
AUX. HYDRAULICS
RAISE / LOWER
CONTACTOR
DECK TILT
SAFETY SWITCH
GREY
GREY / BLACK
1
2
1
2
1
2
B
A
A
C
A
B
C
6 5 4 7
3 2 1 8
A
B
B A
2
1
3
1
4
2
5
4 1
7 2 5 6 3 8 9
A B C
A B C
2
1
54321
3241
21
21
3
5
4
1
2
2
1
7
6
4
1
2
1
A
B
1
2
3
6 4 5 1 2 3 7 8 9
2341
1
2
3
1
2
3
4
5
1
2
3
4
1
2
1
2
1
2
3
4
1
2
3
4
5
1
2
3
4
5
4
3
2
1
2 1
4
9
8
7
3
2
1
DK GREEN
BLACK
BLACK
DK GREEN /
WHITE
LT GREEN
LT GREEN
LT BLUE
GREY
BROWN
TAN
LT BLUE
LT BLUE
VIOLET
ORANGE
ORANGE
ORANGE
DK BLUE
WHITE
DK GREEN
TAN
LT BLUE
ORANGE
GREY
GREY
BROWN
BROWN
BLACK
BROWN
RED
TAN
YELLOW
ORANGE / BLACK
DK GREEN
DK GREEN
BLACK
RED
GREY
GREY
PINK / BLACK
ORANGE
YELLOW / BLACK
ORANGE
ORANGE
YELLOW / BLACK
LT BLUE
GREY
GREY / BLACK
BLACK
BLACK
VIOLET
RED
MOTOR (REV)
MOTOR (FWD)
ORANGE
ORANGE
BLACK
BLACK
BATT (NEG)
CIRCUIT
BREAKER
BATT (POS)
DK GREEN
DK GREEN
RED
CHARGE
RELAY
BLACK
54321
BLACK
TAN
VIOLET
YELLOW/BLACK
1
2
3
4
5
8
7
6
5
RED
SWITCH IN: ORANGE TO PINK/BLACK
SWITCH OUT: ORANGE TO GRAY
BOTH MOTION CONTROL
SWITCHES ARE CLOSED WITH
CONTROL LEVERS IN NEUTRAL
LOCK POSITION
CLOSED WITH
BRAKE ENGAGED
OPEN WITH
BRAKE ENGAGED
SWITCH IS CLOSED
WITH OPERATOR
IN THE SEAT
G007221
IGNITION SWITCH
TERMINAL CONNECTIONS
TERMINAL A VOLTAGE REGULATOR
TERMINAL B BATTERY
TERMINAL I HOUR METER, AUX HYD, PTO SWITCH
TERMINAL S START RELAY
TERMINAL X SEAT DELAY
TERMINAL Y HOUR METER, AUX HYD, PTO SWITCH
TERMINAL A
TERMINAL B
TERMINAL Y
TERMINAL X
TERMINAL S
TERMINAL I
NOTE:
CONNECTORS VIEWED FROM WIRE END
NONE
X + Y
CIRCUIT "MAKE"
B + I + S
B + I + A
2. RUN
1. OFF
POSITION
3
. START
42