A - COMPONENTS ON INSTRUMENT PANEL
B - COMPONENTS INSIDE INSTRUMENT PANEL
C - COMPONENTS INSIDE CAB
Ident.
Schematic
Components
Location Ident.
Schematic
Components
Location
11 Air Pump-Forward Horn A-7 19 Solenoid-Hammer Relief Valve A-2
C Alarm-Boom Overload C-2 21 Solenoid-Hydraulic Oil Cooler B-9
B Alarm-Brake Air Pressure B-5 13 Solenoid-Optional Hydraulic E-8
23 Alarm-Travel C-9 22 Solenoid-Parking Brake E-8
30 Alternator D-8 C Speaker Radio F-7
9 Battery F-9 25 Starter D-8
10 Battery F-9 C Suppressor-Noise D-3
C Control-Glow Plug (Heater) F-7 A Switch-Beacon E-6
C Control-Heater F-7 14 Switch-Boom Overload A-3
B Flasher C-4 4 Switch-Brake Air Pressure A-5
B Fuses C-6/C-5 A Switch-Flood Lamp (Front) D-6
A Gauge-Fuel E-6 A Switch-Flood Lamp (Rear) E-5
A Gauge-Temperature (Engine Coolant) D-4 C Switch-Hammer E-3
27 Glow Plug D-8 C Switch-Hammer (Blow Rate) E-5
C Glow Plug-Heater F-5 C Switch-Hammer (Optional Hydraulic) E-6
1 Horn-Forward Horn E-2 A Switch-Hazard D-5
C Lamp-Dome D-3 A Switch-Headlamp D-6
C Lighter-Cigar E-3 C Switch-Heater E-7
C Motor-Fan (Heater) F-6 C Switch-Horn (Air) E-4
C Motor-Windshield Washer C-7
C Motor-Wiper (Front) E-2
C Phone-Head F-4 20 Switch-Hydraulic Oil Cooler Control B-9
7 Pump-Refueling F-8 C Switch-Hydraulic (Optional) F-4
C Radio F-3 A Switch-Key D-6
B Relay-Air Horn B-3 C Switch-Limit (Heater) F-5
B Relay-Engine Shutdown C-4 C Switch-Neutral Start F-5
B Relay-Gear Ratio C-4 2 Switch-Parking Brake A-4
C Relay-Hammer E-6 26 Switch-Pressure (Engine Oil) D-8
C Relay-Heater F-7 8 Switch-Refueling F-8
B Relay-Reverse Steering C-4 12 Switch-Reverse Steering C-2
31 Relay-Starter C-8 C Switch-Shutdown (Travel Alarm) F-5
B Resistor-Engine Shutdown B-3 B Switch-Speed Selector Lockout D-9
24 Resistor-Glow Plug D-7 3 Switch-Stop Lamp A-3
C Resistor (Heater) F-6 C Switch-Thermostat (Heater) F-5
5 Sender-Fuel F-8 15 Switch-Travel Alarm B-7
29 Sender-Temperature (Engine Coolant) D-8 16 Switch-Travel Alarm B-7
C Service Meter D-5 C Switch-Turn Signal F-3
28 Solenoid-Engine Shutdown D-8 C Switch-Washer (Windshield) D-3
C Solenoid-Fuel Pump (Heater) F-6 C Switch-Wiper (Front) E-3
6 Solenoid-Gear Ratio E-8 C Timer-Heater E-6
18 Solenoid-Hammer A-2
17 Solenoid-Hammer Blow Rate A-2
C Timer-Travel Alarm F-5
C F-4
Switch-Horn (Forward Horn/High Beam,
Low-High Speed)
Connectors Ident. Harness And/Or Components
Schematic
Location
8 Contacts
D-5W0492
Switch-Fwd. Horn/High
Beam/Speed Selector
E-4
6 Contacts
H-8V9260
Timer-Travel Alarm
F-5
4 Contacts
Harness-Cab
Fuse/Ground/Beacon
Switch
C-3
1
2
3
3
4
5
6
8
9
10
11
12
14
15
13
16
1
2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
7
1
2
3
3
4
5
6
8
9
10
11
12
14
15
13
16
1
2
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
7
1
2
3
SENR3639
June 1987
214 and 224 Wheel-Type Excavator
Electrical System
1KB1-UP
5TC1-UP
©
1987 Caterpillar
All Rights Reserved
Printed in U.S.A.
CIRCUIT GROUPING
DESIGNATION
L
ATCH WIRE, CABLE,
COMPONENT
CIRCUIT NOT CONNECTED
CIRCUIT CONNECTED
BLUE
GREEN
BU
GN
RD
WH
OR
YL
PK
BK
BLADE, SPADE, RING,
OR SCREW TERMINAL
INTERNAL ELECTRICAL
CONNECTION TO SURFACE
OF COMPONENT
ELECTRICAL CONNECTION
TO VEHICLE STRUCTURE
CONNECTOR
SYMBOL DESCRIPTION
BROWN
PURPLE
GRAY
BLACK
COLORABBREV
PINK
YELLOW
ORANGE
WHITE
RED
BR
PU
GY
E-65W0489TT
W
A
ALL WIRE IS 14 GAGE
F-6
C-4
C-4
F-5
C-4
ALL BACKLIGHTING LAMPS AND
INDICATOR LAMPS ARE 5W2034
UNLESS OTHERWISE SPECIFIED:
CC 5W6064 D-8
F-85W2014DD
5W0504BB F-9
F-95W7819
5W0490
5W7657
SS
RR
QQ 5W7660
3V9023PP
NN 5W8096 D-7
A-35W0486MM
LL 5W6241 D-3
D-35W6246KK
JJ 5W6245 D-3
D-35W6244HH
GG 5W6247 C-7
A-25W0542FF
C-45W8738Z
Y 5W8737 C-4
5W8741X
V 5W8495 C-4
D-45W8494U
A-55W7817S
R 5W8493 B-4
B-45W6207Q
E-95W8492P
E-45W7659M
L 5W7658 A-7
F-58V9260H
A-45W8740G
F 5W0485
5W0487
E-9
A-4E
C A-5
A-6
5W0493
5W7814B
B 5W7818 A-6
A-75W0488
NOTE
NOTE B: FOR 224 ONLY
NOTE A: FOR 214 ONLY
THIS SCHEMATIC IS FOR THE 214 & 224 WHEEL TYPE
EXCAVATORS (EDER FREITZMIER CAB W/PERKINS ENGINE)
(7T8882 CHG 00)
CABLE AS.
AA
WIRE AS.
A
HARNESS AS.
LOCPART NO.IDENT
COMPONENTS ARE SHOWN INSTALLED ON A FULLY
OPERABLE MACHINE WITH THE KEY AND ENGINE OFF
AND XMSN SHIFTER IN NEUTRAL
E
E
F
C
B
A
9 8 7
789
6 5 4
456
3 2
F
E
D
1
C
B
A
23
1
54
L
58
ENGINE
OIL SW
7W1238
NN
TRAVEL
ALARM
SW
5W8109
TRAVEL
ALARM
SW
5W8109
WH(2)
GN(2)
GN(1)
BK(1)
SPEAKER
5W0507
STOP
LAMP
5W2036
TURN
LAMP
5W2036
TAIL
LAMP
5W2037
BULB
5W2039
REAR
FLOOD
LAMP
5W2681
GY
RD/YL
RD(4)
RD(4)
FUEL
SENDER
5W2614
BR/WH
BK-12
BK-10
BK
RD
BR/WH
BR
BR/BK
ENGINE
SHUTDOWN
RESISTOR
5W7914
BU/YL
BU/YL
5W8111XX
5W8110VV
D-75W8497UU
E-95W8496
B-2/F-25W0483N
A-45W0492D
B
UU
YY
A-25W0543ZZ
F-35W0851YY
2
1
RD-16
RD-16
YL-16
HEATER
RELAY
5W2667
GLOW PLUG
CONTROL
15
31
30
87
3
GN
L8
WH-16
31A
53A
31
BK-10
BR-16
YL(7)
D
WH-16
BK-16
BK-12
L19
STARTER
RELAY
5W7904
BK-10
GN-12
TO
ENGINE
YL-12
F
L7
W
YL(7)
L9
L7
BR/WH
BR/WH
GY
L18
L20
L9
L7
L18
RD
TO
FRAME
TO
ENGINE
0
CC
ALT
D
+
GLOW
PLUG
358059
LAMP GP
5W2649
GN(1)
LICENSE
G S
MTR BAT
MOTOR
RD
BK/WH
BK
BU/BK
BK
BK/WH
BK
OPERATOR STATION
TO
INSTR
PANEL
NN
L11
L7
L9
L20L21
L11
L7
L9
L8
SS
TT
UU
RD HAMMER OPERATION
BK(5)
NC
NOC
BR
GY
BR/WH
BK(5)
GRD
SEND
IGN
FUEL
LEVEL
GAGE
5W2660
WH
L11
L11
RD
BK-16
BR-12
BR-16
BK-16
87 85
30/51
58
R
54
L11
BR/WH
1
KEY SW
5W9576
ENGINE
TEMP
COOLANT
GAGE
5W6105
D
5W2683
HIGH BEAM/
LOW, HIGH SPEED SW
5W2638
X
8
1
2
5
7
6
3
4
RD
BK
YL
WH(2)
GN(2)
LAMP
5W2035
U
L19
L11
BU
L19
TO
INSTRUMENT
PANEL
HYDRAULIC
OIL COOLER
SOLENOID
5W2642
HYDRAULIC
OIL COOLER
CONTROL SW
5W2687
DD
BBAA
12V BATTERY
5W2704
12V BATTERY
5W2704
QQRR
TO
INSTRUMENT
PANEL
TO
INSTRUMENT
PANEL
TO
INSTRUMENT
PANEL
Z
Q
R
ANTENNA
5W3819
LAMP GP
5W2649
TAIL
LAMP
5W2037
TURN
LAMP
5W2036
STOP
LAMP
5W2036
RD
TRAVEL
ALARM
3T1815
WH
BK
X
Q
L11
L10
BK-10
L19
L11
RD(3)
L10
L14
RD(9)
L21
BK(3)
RD
L9
BK(1)
L15
YL
RD(7)
BR(2)
L10
L13
L14
L15
BU
L10
S
BK-12
L13
L14
L15
TO
FRAME
L18
L4
N
L4
L3
RD(7)
RD
BK
WH
YL YL
WH
GN
3
2
1
3
2
1
4
YL
FF
34
M
L
L21
L19
L13
N
A
FF
MM
ZZ
ZZ
B
HAMMER
RELIEF VALVE
SOLENOID
(NOTE B)
5W2639
GY
TO
FRAME
GN
WH
YL
RD
P
XX VV
BU
BK
L
YL(7)
NOTE D: FOR THE KRUPP HAMMER ONLY
NOTE C: FOR THE OPTIONAL HYD ONLY
-T
RD
BK-0 BK-0
NEGPOSNEGPOS
BEACON
5W2686
BK YL
OPERATOR STATION
WHWH
BK
FORWARD
HORN
AIR PUMP
5W5860
MOTOR
TO
FRAME
TO
FRAME
REFUELING
PUMP
5W8633
GY-10
UZ
ALT
AIR HORN
RELAY
5W5883
ALTERNATOR
(NOTE A)
7W2599
(NOTE B)
7W4570
25A
BK-10
BK-10
YL
RD
GY
BK-10
L11
GLOW
PLUG
RESISTOR
7W1251
D-8
D-8
GN-12
TO
ENGINE
BK/WH(2)
BK(1)
L3
TO
ENGINE
T-
IGN
SEND
GRD
WH(2)
BK(4)
LAMP
5W2035
7 PRESS. SW
1 ALARM
3 +BATTERY
4 GROUND
8 SHUTDN SW
BK
BK
BK
BK
BK
3
2
6
4
5
1
H
GY
BK/WH
YY
L18
BK/GN
GY(2)
GN/BR
BK-0
HEAD
PHONE
5W2689
TURN
SIGNAL SW
5W2678
FLOOR
HAMMER SW
5W2653
TRAVEL
ALARM
SHUTDOWN SW
309718
TRAVEL
ALARM
TIMER
9P1813
BU/BK
BK/WH
RD
BK
BK
BK/RD
BK-0
PARKING
BRAKE
SOLENOID
5W2609
OPTIONAL HYD
SOLENOID
5W2609
OPRIONAL HYD
SOLENOID
5W2609
WH
YL
STARTER
7W4558
ENGINE
SHUTDOWN
SOLENOID
7W6249
COOLANT
SENDER
5W7903
BR
BR
BU/YL
GY
BU
GY
BU
16A
BK/RD
BK
GY
YL
GY
BR
RD-12
GY
3
1
53
2
2
1
3
3
1
2
3
1
2
BA
GEAR RATIO
SOLENOID
5W2630
BK-10
BK-10
RD-10
YL(3)
YL-10
BU/YL
BR/BK
YL(3)
BU
BK-10
GY
TO
CAB
KK
WASHER
5W6312
BR
WH
MOTOR
FUEL PUMP
SOLENOID
5W2671
HEATER
CONTROL
5W2672
HEATER SW
5W2666
HEATER
TIMER
5W1134
RESISTOR
5W2675
GLOW
PLUG
5W2670
LIMIT SW
5W2669
THERMOSTAT SW
5W1143
BK/WH-12
54 R
L
K
BK/GN/RD
GN/BR
16A
BR/WH
GN/BR
BK-12
BR-16
GN
BK
RD-12
BR-12
RD-16
RD(1)
GN-16
BR-16
RD-16
RD-12
GN
YL-16
WH-12
GN-16
BK-16
BR-16
RD-10
BK-10
BR-12
BR-12
87A
87
86 85
30
1
2
5
3
4
6
7
8
BR-16
RD-18
RD(1)
THERMOSTAT
BLOWER
TEMP SW
GROUND
GROUND
1
6
5
3
4
2
7
T-
T-
MOTOR
FUEL PUMP
GLOW PLUG
+ BATTERY
NEUTRAL/
START SW
5W6461
OPTIONAL
HDY SW
5W2701
AIR
HORN SW
5W2701
GN-12
GN(1)-12
BU
BU BU
BU
YL
GY
L20
BK/GN/RD
GY(1)
RD-12
GN/BU
BU
RD
RD
RD
8A
BK-12
RD
BU(1)
GN-12
BK-10
YY
HAMMER BLOW
RATE SW
(NOTE D)
5W2655
HAMMER/
OPTIONAL
HYDRAULIC SW
5W2655
YL
GN/BR
RD
HAMMER RELAY
(NOTES B&C)
5W2702
GN/BR
31A 31
53A 53
BU
WH
BK
YL
5353A
S
FUSE
HOLDER
5W2023
FUSE
8 AMP 5W6394
FUSE
HOLDER
5W2029
3131A
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
OPTIONAL HYD
BEACON
REAR FLOOD LAMPS
RD
YL
GN/BR
RD
BK(5)
YL(6)
BK-12
GN(1)
GN(2)
BR(2)
BR(1)
BK-12
EDC
RD(4)
RD(4)
BU/YL
YL(3)
BK(1)
GN/WH(1)
GN/BU(1)
PARKING
BRAKE SW
5W2426
BU
L5
RD
31B
31
31B
31
3131B
53A
53
53A
GY
GY
GY
WH
BR
BR
53
GN-12
BU(1)
SPEED
SELECTOR
LOCKOUT SW
5W8277
BK(7)
RD
BK
BK(1)
GN(1)
GN(2)
BU(3)
BK-10
GN-12
RD
OPERATOR STATION
GY
GY
YL
RD
L8
L7
RD(8)
RD(9)
L6
L2
BRAKE
AIR PRESS.
ALARM
5W2663
BRAKE AIR
BRAKE
AIR SW
5W2442
GY
GY
BU
GN/BR
YL
BK/WH(2)
BK(1)
WH
BK
L6
L4
L3
GY
GY
WH(2)
BK(1)
BK(1)
BK/WH(2)
BK(1)
WH(2)
WH(2)
GN/BU(1)
GN/WH(1)
8A
RD
BR/WH
BK(7)
RD
GN/BR
GY(2) GY(2)
GY(1)
REFUELING SW
5W2655
GY
53
BK/WH
BK/GN
RD(4)
D
YL
WH(2)
GN/WH(2)
53A
GN/BU(2)
BR(2)
4
2
P
5
3
RD
BRAKE AIR PRESS.
GY
BK/GN
BK/WH
GN/BU
GN/WH
BR/WH
BK(7)
GY
RD(4)
BU
GN/BU(2)
YL
GN/WH(2)
RD(7)
BU
BK
WH
GY(1)
RD(3)
RD(4)
REVERSE
STEERING
LAMP
RD
RD
RD
GN/WH
GN/BU
BK-12
BR
BR
BR
BR
GY
GN/WH
BEACON SW
5W2655
GN/BU
BK/WH
BK/GN
BK(7)
BR/WH
GY
RD(4)
SPEED LOCKOUT
BOOM OVERLOAD WARNING
PARKING BRAKE
HDY OIL COOLER
REVERSE STEERINGRD(8)
8A
54
56
31 71A
56A
56B
L
8A
8A
8A
RIGHT HIGH BEAM
FORWARD HORN
LEFT HIGH BEAM
RIGHT LOW BEAM
ENGINE COOLANT TEMP
LEFT LOW BEAM
R
TRAVEL ALARM
DOME LAMP/CIGAR LIGHTER
FUEL GAGE
FRONT FLOOD LAMPS
HAZARD WARNING
LEFT TAIL LAMP
RIGHT TAIL LAMP
BR(1)
LEFT POSITION LAMP
RIGHT POSITION LAMP
8A
8A
8A
8A
8A
8A
8A
8A
8A
8A
L2
8A
L6
REVERSE
STEERING SW
5W9348
RD(9)
RD(8)
BR/BK
FRONT
FLOOD
LAMP SW
5W2655
BK
YL(6)
REAR
FLOOD
LAMP SW
5W2655
GY
BR
GY
GY
RD
LAMP
5W2038
BRAKE
AIR PRESS
GAGE
5W2415
SERVICE
METER
5W2682
BR
YL
GY
58
56B
56A
LEFT
TURN
LAMP AS.
5W2652
BR(1)
L5
GY(1)
CIGAR
LIGHTER
5W2684
RADIO
5W2688
2.5A
H
L
MOTOR
BR(1)
GG
LL
7
5
3 1
HH
JJ
31
75
BULB
5W2041
YL
HAZARD SW
5W2650
TO
LAMP
BRACKET
BK
WH
TO
FRAME
Y
G
BR(1)
GN/BU(1)
GN/WH(1)
BK(1)
YL
GY(1)
RD
DOME
LAMP
5W2693
BR
BR
RD/GN
GN/RD
YL
BU(2)
GY
-+
BK(1)
BK(6)
31
49A
R
L
15
30
49
FRONT
WASHER SW
5W6231
NOISE
SUPPRESSOR
FRONT
WIPER
5W2695
FRONT
WIPER SW
5W2694
WH
RD
GN/RD
WH
WH
BK
BK
BK/WH
WH
GN/BK
31B
53A
53B
53
GN/RD
BK
GN
RD
RD
GN/RD
BR
BR
RD
YL(1)
BR
RD
GROUND
HEAD PHONE
HEAD PHONE
SPEAKER
SPEAKER
ANTENNA
+ BATTERY
YL(1)
GY(2)
GY(1)
GY
GY
YL
BU
BU(1)
BU(1)
GY
BU(3)
YL(3)
BU(2)
BU(1)
BU(1)
PARKING
BRAKE
INDICATOR
BOOM
OVERLOAD
WARNING
INDICATOR
HIGH BEAM
INDICATOR
BU(2)
BU(1)
ALTERNATOR
INDICATOR
ENGINE
OIL PRESS.
INDICATOR
WH
YL
BK(6)
YL(3)
BU(3)
BR/BK
OPERATOR STATION
FORWARD
HORN/
V-BELT
WARNING
ALARM
5W2658
BU(3)
YL(3)
BR/BK
GN-12
HEAD
LAMP SW
5W5867
6
GY
GY
WH
BK
WH
AUX
FLOOD
LAMP GP.
5W2681
POSITION
LAMP
5W7575
BULB
5W2032
HEAD
LAMP AS.
5W2654
BULB
5W2034
BULB
5W2039
BULB
5W2040
BOOM
POSITION
LAMP AS.
5W2651
L2
TO
SWITCH
BRACKET
BR YL(1)
TO
FRAME
32
910
PP
BU
BK
FAN AS.
5W2668
(NOTE C)
GY
GY
YL
BU/YL
RD
GY
RD
GY
HAMMER BLOW
SOLENOID
(NOTE D)
5W2609
3
2
1
31
FLASHER
5W2662
GN-12
G
GN
BOOM
OVERLOAD
ALARM
5W2663
GN-12
G
GN/WH(2)
GN/BU(2)
BR(2)
WH(2)
STOP
LAMP SW
5W2443
SW NO.2
BOOM
OVERLOAD SW
5W2584
L3
L5
L2
L4
2A RDRD
GN-12
HAMMER
SOLENOID
5W2609
GN(1)-12
RD
M
V
ENGINE
SHUTDOWN
RELAY
5W2661
GEAR
RATIO
RELAY
5W2661
REVERSE
STEERING
RELAY
5W2661
FUSE
HOLDER
5W2023
RD(4)
RD(9)
RD
87A
87
86
85
30
RD(4)
OPERATOR STATION
GY
BR/WH
GN/BR
GN/BR
BK/GN/RD
GY
49A
C2
49
C
31
OUT (LAMP)
GROUND
+ BATTERY
BK(4)
BK(5)
HAZARD LAMPBK(4)
87A
87
86 85
30
30
8586
87
FRONT WIPER
STOP LAMPRD(3)
YL
BK(3)
RD
YL
YL
OPERATOR STATION
BK(3)
WH
GY
GY
3
2
1
POSITION
LAMP
5W7575
BULB
5W2032
HEAD
LAMP AS.
5W2654
BULB
5W2034
RIGHT
TURN
LAMP AS.
5W2652
58
56B
56A
GY
GY
BK
WH
2
3
1
BULB
5W2039
FLOOD
LAMP GP.
5W2681
BK
WH
BULB
5W2040
BOOM
POSITION
LAMP AS.
5W2651
3
2
1
D29877
