52
Electrical Schematic
(Models 30627 & 30631 only)
KEY
T
O
WIRE COLORS
BR = BROWN
BU = BLUE
R = RED
BK = BLACK
R = RED
Y
=
YELLOW
W = WHITE
T =
T
A
N
GN = GREEN
GY
= GRA
Y
OR = ORANGE
PK = PINK
VIO = VIOLET
R
BA
TTER
Y
GROUND
GROUND ENGINE
FRAME
(+)
(–)
TIE POINT B+
ON ST
AR
TER
POSITIVE BA
TTER
Y
CABLE
B
B
NEGA
TIVE BA
TTER
Y
CABLE
B
L
AL
TERNA
T
O
R
R
R
PK
W
ALL
MAIN HARNESS GROUND POINTS
MARKED
AS BLACK WIRE
ARE
CONNECTED T
OGETHER
AND
T
O
THE ENGINE GROUND
PK
PK
OR
VIO
ST
AR
T
LAMP
4
5
6
1
2
3
KUBOT
A
GLOW PLUG
CONTROLER
+ 12V
CONTROL
P
ANEL
HARNESS
T
O
OVER
TEMP
SHUT
DOWN RELA
Y
PK
VIO
(MOMENT
AR
Y)
(OFF)
HIGHTEMP
OVERRIDE
GN
BK
PK
OR
OR
(OFF)
30
85
87
86
87a
CAP
ACIT
O
R
SEA
T
DELA
Y
SEA
T
DELA
Y
RELA
Y
BK
BN
THERMO
GLOW
GND
N.C.
1
4
3
2
5
6
–7
+8
PK
GN
BN
ENGINE OVER
TEMP
.
ENGINE
(TEMPERA
TURE OK)
OR
30
85
86
87
GLOW RELA
Y
GLOW PLUGS (3)
R
A
F 1
15
A
BI
OR
F 4
RUN
OFF
Y
VIO
ST
AR
T
S
7.5 A
R
GY
X
Y
R
PK
F 2
R
7.5 A
/ FUSE BLOCK
F 3
15
A
OPTIONAL
LIGHT
BU
FUSIBLE LINK HARNESS
FL1
FL2
FL3
BK
GY
GY
OR
PK
PK
PK
GN
OR
30
85
87
86
87a
SEA
T
SWITCH
PK
GN
T
O
HIGHTEMP
OVERRIDE SWITCH
IN CONTROL
P
ANEL
HARNESS
(CONNECTED
T
O
GROUND ON OVER
TEMP
CONDITION)
OVER TEMP
SHUT
DOWN
OR
PT
O SWITCH
(OFF)
PK
NEUTRAL
SWITCH
(NEUTRAL)
ST
AR
T
ENABLE
30
86
LOGIC
DIODE
(D2)
VIO
W
BK
GN
Y
Y
Y
87a
(D1) DIODE
PROTECTION
BU
BK
B+
T
O
FUSIBLE LINK HARNESS
87
85
G
Start
B+
ST
AR
TER
W
BU
BK
BU
GY+BK
FUEL
PUMP
BK
R/BK
(LOW PRESSURE)
ENGINE
OIL
PRESSURE SWITCH
TEMPERA
TURE
SENDER
FUEL
SENDER
ENGINE
BK
BK
(–)
HR
(+)
FUEL
S
G
I
TEMP
I
G
S
L
YB
U
BK
BK
BN
BN
PK
PK
PK
BN
BU
Y
P
ARKING BRAKE SWITCH
(ON)
RUN ENABLE
30
85
87
86
87a
Y
OR
WW
DA
PK
BK
R/BK
BN
R/BK
(HOLD)
(ST
A
R
T
)
RUN SOLENOID
BK
W
PK
PK
E
OVER
TEMP
AL
T
L
CLUSTER GAUGE
F
OIL
PRES
GLOW
PK
BK
GY
B
C
W
OR
GY
W
Summary of Contents for Groundsmaster 328-D
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