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LIGHTING SYSTEM WIRING DIAGRAM--24 VOLT 988 WHEEL LOADER




ELECTRICAL AND STARTING SYSTEM

BATTERY GP
 

#UE0700330110
 

LIGHTING SYSTEM WIRING DIAGRAM

LIGHTING SYSTEM WIRING DIAGRAM--24 VOLT
UE0700330110 UE070033
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
 

#UE0700330111
 

LIGHTING SYSTEM

LIGHTING SYSTEM--24 VOLT--FRONT HALF--Part 1 of 2
SERIAL NO. 87A531 TO 87A1151 INCLUSIVE. 1M3379 AND 1M1882 LAMP PARTS ARE SHOWN ON PAGES 78 AND 79
SEE PAGE 75 FOR WIRING DIAGRAM. REFER ALSO TO PAGES 253 THROUGH 255 FOR SPECIAL PARTS
c95923 UE070033
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2L-8075 [2] TERMINAL  
    (PINK WIRE)
  5K-4937 [2] TUBE (4.50" LONG)  
  2L-8075 [2] TERMINAL  
    (LIGHT GREEN WIRE)
    (PARTS OF HARNESS 1S6418)
  4L-3916 [1] TERMINAL  
    (PART OF WIRE ASSEM. 1S1060)
  1S-1060 [1] WIRE ASSEM.  
  9M-9085 [1] CIRCUIT BREAKER  
  5M-6668 [2] SCREW  
  2M-2778 [2] NUT  
  9B-7233 [2] LOCKWASHER  
  2L-8075 [2] TERMINAL  
    (LIGHT GREEN WIRE)
    (1 IN EACH HARNESS 1S6418 AND WIRE ASSEM. 1S1060)
  7M-9083 [1] BODY  
  7M-9080 [1] TERMINAL  
    (PINK WIRE)
    (PARTS OF HARNESS 1S6418)
  7M-9081 [1] BODY  
  7M-9082 [1] TERMINAL  
    (PINK WIRE)
    (PARTS OF HARNESS 1S1504)
  9M-6959 [1] CONNECTOR  
    (PART OF HARNESS 1S6418)
  4L-3916 [1] TERMINAL  
    (DARK GREEN WIRE)
    (PART OF HARNESS 1S1504)
  8M-8948 [4] FUSE  
  1S-6418 [1] HARNESS  
  2L-4962 [1] CONDUIT (110" LONG)  
    (PART OF HARNESS 1S6418)
  1S-1504 [1] HARNESS  
  8M-2773 [9] CLIP  
  0T-0102 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  4D-4511 [2] GUARD  
  1M-3379 Y [2] LAMP ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  0L-1351 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  1S-3253 [1] BRACKET ASSEM.  
    (RIGHT HAND)
  1S-3254 [1] BRACKET ASSEM.  
    (LEFT HAND)
  1A-2029 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  4D-4512 [2] BRACKET  
  1B-4206 [4] NUT  
  3B-4510 [4] LOCKWASHER  
  2B-8352 [4] WASHER  
  3D-7854 [4] SPACER  
  1M-1882 Y [2] LAMP ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  2H-1855 [1] SWITCH  
  0S-1615 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
  2L-8075 [1] TERMINAL  
    (PINK WIRE)
  2L-8075 [1] TERMINAL  
    (DARK GREEN WIRE)
    (PARTS OF HARNESS 1S1504)
  4K-6634 [1] STRAP  
  4K-6633 [4] BUTTON  
  4D-7735 [1] CLIP  
  1A-2029 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  2L-4962 [1] CONDUIT (55" LONG)  
  1S-2294 [2] BOOT  
    (PARTS OF HARNESS 1S6418)
  8M-2773 [2] CLIP  
  0T-0102 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  9M-9661 H [2] TEE  
  2L-4962 [1] CONDUIT (55" LONG)  
  1S-2294 [1] BOOT  
  1S-6870 [5] LINER  
  1S-8228 [3] RING  
  1S-6329 [3] TIE  
  2S-1043 [2] BUTT  
  9M-9662 [3] NUT  
  1S-4917 [3] FERRULE  
    (PARTS OF HARNESS 1S6418)
  H   TWO 9M9661 TEE ARE REQUIRED TO
  Y   SEPARATE ILLUSTRATION
 

#UE0700330112
 

LIGHTING SYSTEM

LIGHTING SYSTEM--24 VOLT--REAR HALF--Part 2 of 2
SERIAL NO. 87A531 TO 87A1151 INCLUSIVE. 1M1882 AND 7M7147 LAMP PARTS ARE SHOWN ON PAGE 79
SEE PAGE 75 FOR WIRING DIAGRAM. REFER ALSO TO PAGES 253 THROUGH 255 FOR SPECIAL PARTS
c94402 UE070033
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1M-4543 [1] GROMMET  
  1S-1883 [1] CONDUIT ASSEM.  
  2L-4962 [1] CONDUIT (46" LONG)  
    (PART OF CONDUIT ASSEM. 1S1883)
  1S-1370 [1] TUBE  
  6H-4006 [2] GROMMET  
  2L-8075 [2] TERMINAL  
    (1 IN EACH WIRE ASSEM. 1S1496 AND 1S1372)
  1B-4206 [2] NUT  
  3B-4510 [2] LOCKWASHER  
  2B-8352 [2] WASHER  
  0S-1576 [2] BOLT  
  4K-0499 [2] LOCKWASHER  
  1B-4206 [2] NUT  
  3B-4510 [2] LOCKWASHER  
  2B-8352 [2] WASHER  
  2L-8075 [2] TERMINAL  
    (1 IN EACH WIRE ASSEM. 1S1498 AND 1S1853)
  2L-8075 [2] TERMINAL  
    (1 IN EACH WIRE ASSEM. 1S1497 AND 1S1854)
  1S-6870 [1] LINER  
    (PART OF CONDUIT ASSEM. 1S1883)
  1S-1496 [1] WIRE ASSEM.  
  1S-0427 [1] CONNECTOR  
    (PART OF CONDUIT ASSEM. 1S1883)
  8M-2773 [3] CLIP  
  0T-0102 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  4B-0418 [2] CLIP  
  1M-1882 Y [2] LAMP ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  0S-1588 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  2L-8075 [1] TERMINAL  
    (PART OF WIRE ASSEM. 1S1372)
  1S-1372 [1] WIRE ASSEM.  
  4D-4512 [2] BRACKET  
  2S-0285 [2 FEET] SLEEVE  
  0L-1351 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4D-4511 [2] GUARD  
  3D-7854 [4] SPACER  
  1S-1854 [1] WIRE ASSEM.  
  1S-1853 [1] WIRE ASSEM.  
  2L-8075 [1] TERMINAL  
    (PART OF WIRE ASSEM. 1S1854)
  2L-8075 [1] TERMINAL  
    (PART OF WIRE ASSEM. 1S1853)
  1S-2255 [2] BRACKET  
  7M-7147 Y [2] LAMP ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  1S-1498 [1] WIRE ASSEM.  
  7M-9083 [1] BODY  
  7M-9080 [1] TERMINAL  
    (PARTS OF WIRE ASSEM. 1S1496)
  1S-1497 [1] WIRE ASSEM.  
  7M-9083 [1] BODY  
  7M-9080 [1] TERMINAL  
    (PARTS OF WIRE ASSEM. 1S1498)
  7M-9083 [1] BODY  
  7M-9080 [1] TERMINAL  
    (PARTS OF WIRE ASSEM. 1S1497)
  Y   SEPARATE ILLUSTRATION
 

#UE0700330113
 

LIGHTING SYSTEM

LIGHTING SYSTEM--24 VOLT--FRONT HALF--Part 1 of 2
EFFECTIVE WITH SERIAL NO. 87A1152. 1M3379 AND 1M1882 LAMP PARTS ARE SHOWN ON PAGES 78 AND 79
SEE PAGE 75 FOR WIRING DIAGRAM. REFER ALSO TO PAGES 253 THROUGH 255 FOR SPECIAL PARTS
c98194 UE070033
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2L-8075 [2] TERMINAL  
    (PINK WIRE)
  2L-8075 [2] TERMINAL  
    (LIGHT GREEN WIRE)
    (PARTS OF HARNESS 2S5986)
  2S-5012 [2] CAP  
  2S-5014 [2] CONTACT  
    (1 OF EACH IN EACH HARNESS 2S5984 AND 2S5986)
  1S-7837 [1] TERMINAL  
    (LIGHT BLUE WIRE)
  5K-4937 [1] TUBE (12" LONG)  
    (PARTS OF HARNESS 2S5986)
  1S-7837 [2] TERMINAL  
    (PINK WIRE)
    (1 IN EACH HARNESS 2S5986 AND 2S5984)
  2S-5986 [1] HARNESS  
  4L-3916 [2] TERMINAL  
    (PART OF HARNESS 2S5986)
  8M-8948 [5] FUSE  
  2S-5984 [1] HARNESS  
  8M-2773 [9] CLIP  
  0T-0102 [10] BOLT  
  3B-4506 [10] LOCKWASHER  
  4D-4511 [2] GUARD  
  1M-3379 Y [2] LAMP ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  0L-1351 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  1S-3253 [1] BRACKET ASSEM.  
    (RIGHT HAND)
  1S-3254 [1] BRACKET ASSEM.  
    (LEFT HAND)
  1A-2029 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  4D-4512 [2] BRACKET  
  1B-4206 [4] NUT  
  3B-4510 [4] LOCKWASHER  
  6D-2256 [4] SPACER  
  3D-7854 [4] SPACER  
  1M-1882 Y [2] LAMP ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  2H-1855 [1] SWITCH  
  0S-1615 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
  2L-8075 [1] TERMINAL  
    (PINK WIRE)
  2L-8075 [1] TERMINAL  
    (DARK GREEN WIRE)
    (PARTS OF HARNESS 2S5984)
  5S-1759 [5 FEET] STRAPPING  
  7S-0630 [2 FEET] PROTECTOR  
  4K-6633 [4] BUTTON  
  4D-7735 [1] CLIP  
  1A-2029 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  9M-9661 H [2] TEE  
  1S-2294 [2] BOOT  
  1S-6870 [6] LINER  
  1S-8228 [4] RING  
  1S-6329 [3] TIE  
  2S-1043 [3] BUTT  
  9M-9662 [4] NUT  
    (PARTS OF HARNESS 2S5986)
  H   TWO 9M9661 TEE ARE REQUIRED TO
  Y   SEPARATE ILLUSTRATION
 

#UE0700330114
 

LIGHTING SYSTEM

LIGHTING SYSTEM--24 VOLT--REAR HALF--Part 2 of 2
EFFECTIVE WITH SERIAL NO. 87A1152. 1M1882 AND 7M7147 LAMP PARTS ARE SHOWN ON PAGE 79
SEE PAGE 75 FOR WIRING DIAGRAM. REFER ALSO TO PAGES 253 THROUGH 255 FOR SPECIAL PARTS
c98195 UE070033
  For full view, you need register

Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1M-4543 [1] GROMMET  
  2S-5982 [1] CONDUIT ASSEM.  
  2L-4962 [1] CONDUIT (62" LONG)  
  1S-2294 [1] BOOT  
    (PARTS OF CONDUIT ASSEM. 2S5982)
  1S-1370 [1] TUBE  
  6H-4006 [2] GROMMET  
  2L-8075 [2] TERMINAL  
    (1 IN EACH WIRE ASSEM. 2S5983 AND 1S1372)
  1B-4206 [2] NUT  
  3B-4510 [2] LOCKWASHER  
  6D-2256 [2] SPACER  
  0S-1576 [2] BOLT  
  4K-0499 [2] LOCKWASHER  
  1B-4206 [2] NUT  
  3B-4510 [2] LOCKWASHER  
  6D-2256 [2] SPACER  
  2L-8075 [2] TERMINAL  
    (1 IN EACH WIRE ASSEM. 2S5989 AND 1S1853)
  2L-8075 [2] TERMINAL  
    (1 IN EACH WIRE ASSEM. 2S5990 AND 1S1854)
  8M-2773 [3] CLIP  
  0T-0102 [3] BOLT  
  3B-4506 [3] LOCKWASHER  
  2S-5989 [1] WIRE ASSEM.  
  2S-5983 [1] WIRE ASSEM.  
  1S-7837 [1] TERMINAL  
    (PART OF WIRE ASSEM. 2S5983)
  4B-0418 [2] CLIP  
  1M-1882 Y [2] LAMP ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  0S-1588 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  2L-8075 [1] TERMINAL  
    (PART OF WIRE ASSEM. 1S1372)
  1S-1372 [1] WIRE ASSEM.  
  4D-4512 [2] BRACKET  
  2S-0285 [2 FEET] SLEEVE  
  0L-1351 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4D-4511 [2] GUARD  
  3D-7854 [4] SPACER  
  1S-1854 [1] WIRE ASSEM.  
  1S-1853 [1] WIRE ASSEM.  
  2L-8075 [1] TERMINAL  
    (PART OF WIRE ASSEM. 1S1854)
  2L-8075 [1] TERMINAL  
    (PART OF WIRE ASSEM. 1S1853)
  1S-2255 [2] BRACKET  
  7M-7147 Y [2] LAMP ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  1S-6870 [2] LINER  
  9M-9662 [1] NUT  
  1S-8228 [1] RING  
    (PARTS OF CONDUIT ASSEM. 2S5982)
  2S-5990 [1] WIRE ASSEM.  
  1S-7837 [1] TERMINAL  
    (PART OF WIRE ASSEM. 2S5990)
  1S-7837 [1] TERMINAL  
    (PART OF WIRE ASSEM. 2S5989)
  Y   SEPARATE ILLUSTRATION
 

#UE0700330115
 

1M-3387: LAMP GP

1M3387 DASH LAMP ASSEMBLY--24 Volt
Part of 1S1876 and 3S7368 Battery and Wiring Groups
shown on Pages 67, 71 & 72D
c211350 UE070033
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-8355 C [1] BODY ASSEM.  
    (Includes)
  7M-4870 [1] COVER  
2. 2M-1449 [1] LENS  
3. 2M-1446 [1] NUT  
4. 3H-2691 C [1] LAMP  
  C   INDICATES CHANGE
 

#UE0700330116
 

1M-3379: LAMP GP

1M3379 HEAD LAMP ASSEMBLY--24 Volt--Type 1
Part of 2S9447 & 2S8173 Lighting Systems shown on Pages 76 & 76B
c65728 UE070033
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2M-5283 [1] MOULDING ASSEM.  
  5M-6668 [2] SCREW  
  1M-5928 [1] SEALED UNIT  
  2M-5282 [1] RING  
  2M-5284 [1] MOULDING ASSEM.  
  4M-7575 [1] WIRING ASSEM.  
  2F-2860 [2] SCREW  
  9B-7233 [2] LOCKWASHER  
    (PARTS OF TERMINAL ASSEM. 2F4671)
  2F-4671 [1] TERMINAL ASSEM.  
 

#UE0700330117
 

1M-3379: LAMP GP

1M3379 HEAD LAMP ASSEMBLY--24 Volt--Type 2
Part of Lighting System shown on Page 76 and 76B
Only separate parts serviced
c201351 UE070033
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-2541 C [1] BODY AS  
2. 2M-5282 [1] RING-MOUNTING  
3. 2M-5284 [2] MOLDING AS  
  5M-6668 [2] SCREW-MACHINE  
4. 1M-5928 [1] LAMP-SEALED UNIT  
  C   CHANGE FROM PREVIOUS TYPE
 

#UE0700330118
 

1M-1882: LAMP GP

1M1882 FLOOD LAMP ASSEMBLY--24 Volt--Type 2
Part of Lighting System and 1S7828 Lighting System
Group shown on Pages 76, 76A, 76B, 77 and 255
Only separate parts serviced
c119409 UE070033
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1M-5898 [1] LAMP-SEALED UNIT  
2. 2P-2541 [1] BODY AS  
3. 2M-5282 [1] RING-MOUNTING  
4. 2M-5284 [2] MOLDING AS  
  5M-6668 [2] SCREW-MACHINE  
 

#UE0700330119
 

1M-1882: LAMP GP

1M1882 FLOOD LAMP ASSEMBLY--24 Volt-Type 1
Part of Lighting System and 1S7828 Lighting System Group shown on Pages 76, 77 and 255
c76868 UE070033
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Parts for your 988 WHEEL LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  2M-5283 [1] MOULDING ASSEM.  
  5M-6668 [2] SCREW  
  1M-5898 [1] SEALED UNIT  
  2M-5282 [1] RING  
  2M-5284 [1] MOULDING ASSEM.  
  4M-7575 [1] WIRING ASSEM.  
 

Information:

Truck Engine News
Engine News
Special Instruction
Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}
Use of the 4C6534 Speed Switch Calibration Harness{0781, 0785}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Use Of 6V3025 Battery Cable Repair Kit{0613, 1400}
Use Of 6V3025 Battery Cable Repair Kit{0613, 1400}
Battery Ratings And Cross Reference Chart{1401}
Battery Ratings And Cross Reference Chart{1401}
Service Letter-NACD
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Service Letter-Brazil
Service Letter-Truck/Ag/Marine
Technical Information Bulletin
Recommendations for Battery Charging and Temperatures for Machines and Generator Sets{1401, 751B}
Recommendations for Battery Charging and Temperatures for Machines and Generator Sets{1401, 751B}
Process for Communicating an Incident with a Battery{1401}
Process for Communicating an Incident with a Battery{1401}
Tool Operating Manual
M0077220 (NEHS1231) 115V & 230V Battery Chargers {1401, 751B}
M0077220 (NEHS1231) 115V & 230V Battery Chargers {1401, 751B}
M0090131 Battery Analyzer 480-4181 (484-4859 Group) {0374, 0599, 0709, 1401, 7468}
M0090131 Battery Analyzer 480-4181 (484-4859 Group) {0374, 0599, 0709, 1401, 7468}
Service Letter-China
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Certain 7N4160 Switch Groups And 9W1077 Switch Assemblies Need To Be Removed From Parts Stock
Service Letter-Asia
Service Letter-APD
Troubleshooting
MID 161 - CID 0168 - FMI 00
Product Link - PL522/523
MID 161 - CID 0168 - FMI 01
Product Link - PL522/523
MID 161 - CID 1251 - FMI 03
Product Link - PL522/523
MID 122 - CID 0168 - FMI 00
Product Link 121S/300
MID 122 - CID 0168 - FMI 01
Product Link 121S/300
MID 122 - CID 1251 - FMI 03
Product Link 121S/300
Service Magazine

Caterpillar Parts SIS Catalog 988 :

Truck sale:

35.000 
35.000 
 
Caterpillar 988, Radlader, Bau-Und Bergbauausrüstung
- Wheel Loaders
CGT - COMPAGNIA GENERALE TRATTORI
Italy
 
Caterpillar 988, Radlader, Bau-Und Bergbauausrüstung
- Wheel Loaders
CGT - COMPAGNIA GENERALE TRATTORI
Italy
32,000 
Caterpillar BALDE988_STD_CL.UO, Construction
- Petroleum Engines
FINNING CHILE S.A.
Chile
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