Bobcat 418 Mini Excavator Electrical Repair & Troubleshooting Schematic 418 (S/N AB4711001 AND ABOVE)

TWO SPEED
HARNESS
7149164
WIRING SCHEMATIC
418 (S/N AB4711001 AND ABOVE)
(PRINTED OCTOBER 2008)
V-1196
C022
2
1
1580
2180
2
1
SYSTEM BYPASS
LOCKOUT SOLENOID
C021
2
1
1570
2170
2
1
JOYSTICK LOCKOUT
SOLENOID
1600
C007
2
1
2190
2
1
1600
2190
C014
A
B
A
B
1650
1660
2 SPEED
SWITCH
(LEVER)
1630
1660
1610
2090
C023
B
A
1670
2110
B
A
2 SPEED
SOLENOID
1620
2200
A
D
E
B
PWR
SW
GND
OUT
TWO SPEED
MODULE
TWO
SPEED
LAMP
BEACON
SWITCH
2
1
3
46
5
2
2
2
0
BEACON
LIGHT
C022
A
B
6
3
1
0
2
8
7
0
BATTERY
GRD
BEACON / STROBE
HARNESS (OPTION)
7149164
A
B
PILOT HARNESS
7141453
2190
2110
2090
2200
2170
2190
2180
BATTERY
GROUND
1 of 6
Dealer Copy -- Not for Resale
C001A
3 2 7 8 9 11 12 10
8040
3040
1350
8060
8080
3000
8090
4
1300
1
6000
1 42 3
2890
1330
1590
1500
1 42 3
2895
1335
1590
1500
8090
2210
2300
3000
A
L
T
.
L
A
M
P
1430
1440
8090
2450
1440
ENG.
WATER
TEMP.
LAMP
8090
1460
1450
ENG.
OIL
PRESS.
LAMP
HOURMETER
1430
8040
1350
H
1590
CONSOLE
DOWN
LAMP
2300
2890
OPEN
FUEL GAUGE
S
G
I
2
3
1
0
3
0
4
0
2320
FUEL GAUGE
BACK LAMP
WORKING LIGHT
SWITCH
1 2
3
4
6
5
2
2
1
0
2
3
1
0
6010
6000
1330
3 2 7 8 9 11 12 1041
8040
3040
1350
8060
8080
3000
8090
1300
6000
OPEN
C001A
1 42 3
2890
1330
1590
1500
1 42 3
MOTION ALARM
SWITCH
A C B
C026
A C B
1360
MOTION
ALARM
1700
2670
MOTION ALARM (OPTION)
HARNESS 7160696
1
2
1
2
C002
2000
2
000
6
000
PANEL HARNESS
7141453
FRAME HARNESS
2890
2210
2300
2310
2320
2 of 6
Dealer Copy -- Not for Resale
12 10 5
6
8090
1510
1520
START
RUN
OFF
GLOW PLUG
I
B
START SWITCH
SO
ST
1300
1510
1520
1500
DIODE
1530
STARTER RELAY
85
30
86
87
87A
2030
S
STARTER
B
M
8010
_
+
BATTERY
FRAME
GROUND
1000
1010
1110
8090
2210
2300
G
L
O
W
P
L
U
G
L
A
M
P
A
L
T
.
L
A
M
P
OPEN
12 10 5
6
8090
1510
1520
OPEN
7141453
2100
2940
ENGINE
GROUND
KEYLESS START
(OPTION)
GRD
IGN
BAT
ST
ACC
1510
1520
1300
1500
3 of 6
Dealer Copy -- Not for Resale
WIRES CONNECT BY LETTER
ACROSS CONNECTORS
A
B
B
A
SOME CONNECTOR
BODIES NOT SHOWN
FOR DRAWING CLARITY
RED = RED
RNG = ORANGE
BLK = BLACK
LBL = LIGHT BLUE
DBL = DARK BLUE
LGN = LIGHT GREEN
DGN = DARK GREEN
YEL = YELLOW
PNK = PINK
WHT = WHITE
BRN = BROWN
TAN = TAN
PUR = PURPLE
GRY = GRAY
Printed in U.S.A.
C010B
2
1
4
3
1590
1340
1470
1640
2
1
4
4
1590
1340
1470
1640
HORN
1690
2950
C011
2
1
1475
1680
NOT USED FOR
THIS MODEL
C010A
2
1
4
3
1590
1470
1640
2
1
4
3
1590
1470
1640
3
1
2
1550
3
1
2
C028
C029
2
1
2
1
1550
1560
C
A
B
C
A
B
C005
1550
1560
RIGHT
CONSOLE
SWITCH
RH CONSOLE
HARNESS
7141454
C
A
B
C
A
B
C004
1410
1550
LEFT
CONSOLE
SWITCH
1550
1480
C014
B
C
B
C
1460
1390
HORN
SWITCH
1640
LH CONSOLE
HARNESS
7141455
C022
2
1
1580
2180
2
1
SYSTEM BYPASS
LOCKOUT SOLENOID
C
1570
1
SOLENOID
BEACON
SWITCH
2
1
3
46
5
2
1340
BATTERY FEED, GENERAL 1000-1299 RED
GROUND 2000-2999 BLK
MONITORING 3000-3999 LBL
HYDRAULIC 4000-4999 LGN
ATTACHMENT CONTROLS 5000-5999 YEL
LIGHTS 6000-6999 PNK
ACCESSORIES 7000-7999 WHT
ENGINE 8000-8999 TAN
COMMUNICATION 9000-9999 PUR
BATTERY FEED, FUSED 1300-1399 RED/WHT
BATTERY FEED, SWITCHED 1500-1999 RNG
FUSE 8
10A
LIGHT
10A
SWITCHED
TIMER
FUSE 7
10A
SWITCHED
POWER
FUSE 5
10A
VALVES
HORN
FUSE 6
FUSE 4
25A
TIMER
FUSE 3
15A
POWER
SOCKET
FUSE 1
10A
STARTER
FUSE 2
FUSE BLOCK
BEACON
10A
4 of 6
Dealer Copy -- Not for Resale
OIL PRESSURE
SWITCH
ENGINE
COOLANT
TEMPERATURE
SWITCH
3020
3030
8070
8050
8040
8060
8080
3010
SYSTEM
WARNING
BUZZER
3030
1380
_
+
C001A
1 42 3
2890
1330
1590
1500
SWITCH
FUEL SENDER
30-270 ohm
C019
2160
3040
BA
B
A
1
2
C
002
A
B
A
B
C003
2000
6000
1350
1300
1040
FUSE 2 - 10A
1310
1050
FUSE 3 - 25A
1320
1090
FUSE 7 - 10A
C031
B A C
2080
C032
B A C
B A C
B A C
BLU
RED
BLK
RED
BLK
WHT
2880
8100
8030
B A C
B A C
C016
FUEL
SOLENOID
TIMER
FUEL
SOLENOID
PULL
HOLD
1330
FUSE 8 - 10A
1100
1485
FUSE 6 - 10A
1080
1420
FUSE 5 - 10A
1070
1420
SWITCHED
POWER RELAY
85
30
86
87
87A
1500
2050
1130
1340
1060
FUSE 4 - 10A
1370
1030
FUSE 1 - 15A
BA
2010
POWER
SOCKET
1485
2
1
4
3
1590
1340
1470
1640
1475
FRAME HARNESS
7141452
1150
1140
S
W
I
T
C
H
E
D
FUSE 7
SWITCHED
POWER
FUSE 5
FUSE 3
FUSE 1
BOOM LIGHT
HARNESS
7141456
A
B
5 of 6
Dealer Copy -- Not for Resale
1530
1540
30 87
87A
GLOW PLUG RELAY
85
30
86
87
87A
2030
2040
S
B
M
8010
1000
1010
ALTERNATOR
B
1020
1020
1110
1120
GLOW PLUGS
HR
8000
HR
HR
8090
C015
8020
3000
L
M
M
L
SYSTEM
WARNING
BUZZER
3030
1380
1400
TIMER
2020
3010
_
+
RNG
PUR
1
4
2
0
2900
2020
2890
2010
2000
2950
2160
2230
BATTERY
GROUND
PANEL
GROUND
2910
2050
2040
2030
2080
BATTERY
GROUND
V-1196 (10-20-08)
6 of 6
Dealer Copy -- Not for Resale
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