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Electrical Schematic
Groundsmaster 5900/5910
All relays and solenoids
are shown as de--energized.
All ground wires are black.
Sheet 1 of 6
S
T
(--)
--
+
55--A
L
--
+
R
LINE 01
LINE 06
58--A
IG
LINE 11
LINE 10
LINE 05
45
44
22
29
18
16
41
07
30
47
02
GND
BK/W
R/W
R/BK
BN
OR
GY/W
GN/W
BK/R
DECREMENT
OR
BK
53--A
W/R
GY/R
Y/R
CAN+
GY
54--D
54--C
54--A
53--B
53--D
PK
R/Y
(+)
BK
COOLANTLEVEL
21
54
26
60
36
09
19
43
53
03
04
01
GND
INCREMENT
BK
OR
CAN--
T
53--C
R/W
BK/W
SHEET 2
BK/R
BK/R
PKOR
PK
SHEET 4
R/BK
OR
300 A
125 A
D1
BU
BU
BK
57--B
ENGINE
START RELAY
VIO
(--) (+)
58--B
BK
BK
01
05 54--B
LINE 02
LINE 07
LINE 24
BN
DIODE
BATTERY
BATTERY
LINE 09
LINE 40
5
2
1
3
6
4
ENGINE HARNESS
INTAKE AIR HEATER
HIGH
30%
THROTTLE CONTROL
OEM CONNECTOR
WATERINFUEL
48--C
PK
BK/R
INCREMENT/DECREMENT
PK
ENGINE GROUND
CUMMINS CONNECTOR
CAN CONTROLLER
Y/W
LOW
+12 VDC
+12 VDC
POWER CONNECTOR
48--A
48--B
DIAGNOSTIC SWITCH
SHEET 3
R/BK
INTAKE AIR HEATER
SHEET 3
PLATFORM
SHEET 2
SHEET 6
JUNCTION
CUMMINS CONTROLLER
COOLANTLEVEL
1
6
4
3
5
2
THROTTLE CONTROL
5
2
6
3
1
4
LINE 04
30
87
86
85
FRAME
SENSOR HARNESS
ALTERNATOR
Start
B+
INTAKE AIR
2TO4REQUIRED)
(EXTERNAL WIRE FROM
BLOCK
GROUND
GROUND
STARTER
CONTACTOR
WHEN A CONDUCTOR CONTINUES ONANOTHER SHEET, THE SHEET
NUMBER AND ALINE NUMBER WILL BE IDENTIFIED.
NOTE: THE ELECTRICALSCHEMATIC IS SHOWN ON SIX (6) SHEETS.
HEATER
SWITCH