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259-5295 FASTENER GP-WIRING HARNESS -JOYSTICK S/N JBC1-UP; HCW1-UP PART OF 255-5843, 255-5844 CONTROL AR-AUXILIARY AN ATTACHMENT 312D


ELECTRICAL AND STARTING SYSTEM
WIRING GP
HARNESS GP

EXCAVATOR 312D EXCAVATOR HCW
 312D & 312D L Excavators HCW00001-UP (MACHINE) POWERED BY C4.2 Engine SEBP4949 312D HCW   (2008)

ELECTRICAL AND STARTING SYSTEM

WIRING GP
FASTENER GP-WIRING HARNESS
259-5293 FASTENER GP-WIRING HARNESS
FASTENER GP-WIRING HARNESS
259-5294 FASTENER GP-WIRING HARNESS
FASTENER GP-WIRING HARNESS
259-5295 FASTENER GP-WIRING HARNESS
FASTENER GP-WIRING HARNESS
275-7063 FASTENER GP-WIRING HARNESS
FASTENER GP-WIRING HARNESS
291-7764 FASTENER GP-WIRING HARNESS
339-2023 SENSOR GP-GRADE
 

#SEBP49490240
 

259-5295: FASTENER GP-WIRING HARNESS

259-5295 FASTENER GP-WIRING HARNESS -JOYSTICK
S/N JBC1-UP; HCW1-UP
PART OF 255-5843, 255-5844 CONTROL AR-AUXILIARY
AN ATTACHMENT
i02425705 SEBP4949
2595295 FASTENER GP-WIRING HARNESS Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-2093 [2] STRAP-CABLE  
 

#SEBP49490241
 

275-7063: FASTENER GP-WIRING HARNESS

275-7063 FASTENER GP-WIRING HARNESS
S/N JBC1-UP; HCW1-UP
PART OF 270-5869 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT
i02809113 SEBP4949
2757063 FASTENER GP-WIRING HARNESS Parts scheme
  For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-2093 [1] STRAP-CABLE  
2. 116-0118 [1] CLIP  
3. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
4. 8T-4191 M [1] BOLT (M10X1.5X16-MM)  
  M   METRIC PART
 

#SEBP49490242
 

291-7764: FASTENER GP-WIRING HARNESS

291-7764 FASTENER GP-WIRING HARNESS -BLADE
S/N JBC1-UP; HCW1-UP
PART OF 260-7124, 260-7125, 301-2453, 301-2454, 385-4066, 385-4067, 385-4068, 385-4074 INSTALLATION AR-BLADE
AN ATTACHMENT
i02811451 SEBP4949
2917764 FASTENER GP-WIRING HARNESS Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-2093 [5] STRAP-CABLE  
2. 116-0118 [1] CLIP  
3. 7X-2621 M [1] BOLT (M10X1.5X12-MM)  
4. 8T-4121 [1] WASHER-HARD (11X21X2.5-MM THK)  
  M   METRIC PART
 

#SEBP49490243
 

275-6842: HARNESS AS-CONTROL

275-6842 HARNESS AS-CONTROL
S/N JBC1-UP; HCW1-UP
PART OF 306-8508 WIRING GP-CHASSIS
AN ATTACHMENT
i05162712 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  167-8987 [1] PLUG AS-CONNECTOR (8-PIN)  
  243-4510 [1] RECEPTACLE AS-CONNECTOR (12-PIN)  
   
  9X-3401 [6] PIN-CONNECTOR (16-GA TO 18-GA)  
  8T-8737 [6] PLUG-SEAL  
 

#SEBP49490244
 

373-8965: HARNESS AS-CONTROL

373-8965 HARNESS AS-CONTROL -PRODUCT LINK
S/N JBC1-UP; HCW1-UP
PART OF 366-9348 WIRING GP-COMMUNICATION
AN ATTACHMENT
i05229011 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  126-1774 [1] COVER-CONNECTOR  
  8T-8729 [1] PIN-CONNECTOR (16-GA TO 18-GA)  
  9W-0852 [1] PIN-CONNECTOR (14-GA TO 16-GA)  
  9X-3401 [4] PIN-CONNECTOR (16-GA TO 18-GA)  
  160-7690 [1] PLUG AS-CONNECTOR (70-PIN)  
  159-9322 [1] SEAL-O-RING  
  8T-8737 [64] PLUG-SEAL  
  243-4508 [1] RECEPTACLE AS-CONNECTOR (6-PIN)  
  9X-3402 [6] SOCKET-CONNECTOR (16-GA TO 18-GA)  
  3S-2093 [1] STRAP-CABLE  
  2L-8077 [1] TERMINAL-RING (14-GA TO 16-GA, 1/4-IN SCREW)  
  125-7874 E TUBE-HEAT SHRINK (5.72-MM DIA)(5-CM)  
  E   ORDER BY THE CENTIMETER
 

#SEBP49490245
 

538-2059: HARNESS AS-ENGINE

538-2059 HARNESS AS-ENGINE
S/N JKH1-UP
PART OF 324-4202 WIRING GP-ELECTRONIC CONTROL
ALSO AN ATTACHMENT
i07509251 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  [1] HOLDER  
  9X-3401 [34] PIN-CONNECTOR (16-GA TO 18-GA)  
    -OR-
  126-1767 [34] PIN-CONNECTOR (14-GA TO 16-GA)  
  8T-8737 [6] PLUG-SEAL  
  271-7713 [4] PLUG  
  140-7339 [1] PLUG-CONNECTOR  
  230-4011 [3] PLUG AS-CONNECTOR (2-PIN)  
  238-8247 [2] PLUG AS-CONNECTOR (2-PIN)  
    (EACH PLUG AS INCLUDES)
  455-0704 [1] SEAL-CONNECTOR  
  230-4013 [3] PLUG AS-CONNECTOR (3-PIN)  
  237-0227 [2] PLUG AS-CONNECTOR (3-PIN)  
    (EACH PLUG AS INCLUDES)
  455-0705 [1] SEAL-CONNECTOR  
  175-3362 [1] RECEPTACLE AS-CONNECTOR (40-PIN)  
  9X-3402 [25] SOCKET-CONNECTOR (16-GA TO 18-GA)  
    -OR-
  126-1768 [25] SOCKET-CONNECTOR (14-GA TO 16-GA)  
  123-1198 [2] SOCKET-TERMINAL  
  1P-0810 B TAPE-ELECTRICAL  
  125-7874 E TUBE-HEAT SHRINK (5.72-MM DIA)(5-CM)  
  B   USE AS REQUIRED
  E   ORDER BY THE CENTIMETER
 

#SEBP49490246
 

495-9718: HARNESS AS-PANEL

495-9718 HARNESS AS-PANEL
S/N JBC1-UP; HCW1-UP
PART OF 251-0542, 251-0544 PANEL GP-SWITCH
AN ATTACHMENT
i06858553 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3S-2093 [4] STRAP-CABLE  
  102-8802 [1] KIT-RECEPTACLE (2-PIN)  
    (INCLUDES RECEPTACLE AS & WEDGE)
  7Y-3951 [2] TERMINAL-BLADE (14-GA)  
  7Y-3952 [1] PLUG-CONNECTOR (2-PIN)  
  8T-8737 [3] PLUG-SEAL  
  121-1168 [1] CONNECTOR-RECEPTACLE  
  121-1173 [14] TERMINAL (MALE)  
  9X-3402 [7] SOCKET-CONNECTOR (16-GA TO 18-GA)  
    -OR-
  126-1768 [7] SOCKET-CONNECTOR (14-GA TO 16-GA)  
  2L-8075 [4] TERMINAL-RING (14-GA TO 16-GA, NO. 8 SCREW)  
  155-2270 [1] KIT-CONNECTING PLUG (2-PIN)  
    (INCLUDES PLUG AS, WEDGE & INTERFACE SEAL)
  230-5010 [1] PLUG AS-CONNECTOR (6-PIN)  
  455-0707 [1] SEAL-CONNECTOR  
  238-2366 [7] TERMINAL (MALE)  
 

#SEBP49490247
 

416-1814: HARNESS AS-PUMP

416-1814 HARNESS AS-PUMP
S/N JBC1-UP; HCW1-UP
PART OF 420-3860 KIT-FUEL PRIMING PUMP
i05261443 SEBP4949
4161814 HARNESS AS-PUMP Parts scheme
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-8730 [2] SOCKET-CONNECTOR (16-GA TO 18-GA)  
2. 3S-2093 [9] STRAP-CABLE  
3. 7Y-3962 [2] TERMINAL-BULLET (MALE)  
4. 2L-8079 [1] TERMINAL-RING (14-GA TO 16-GA, 3/8-IN SCREW)  
5. 149-5051 [1] CONNECTOR-RECEPTACLE  
6. 149-5069 [1] TERMINAL-BLADE (14-GA TO 20-GA)  
7. 149-5070 [2] TERMINAL-BLADE (16-GA TO 20-GA)  
8. 149-5071 [1] TERMINAL-BLADE (12-GA TO 14-GA)  
9. 155-2270 [1] KIT-CONNECTING PLUG (2-PIN)  
    (INCLUDES PLUG AS, WEDGE & INTERFACE SEAL
 

#SEBP49490248
 

259-4887: HARNESS AS-WIRING

259-4887 HARNESS AS-WIRING -PRODUCT LINK
S/N JBC1-UP; HCW1-UP
PART OF 275-7064 WIRING GP-COMMUNICATION
AN ATTACHMENT
i04967289 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  126-1774 [1] COVER-CONNECTOR  
  9X-3401 [9] PIN-CONNECTOR (16-GA TO 18-GA)  
  8T-8729 [1] PIN-CONNECTOR (16-GA TO 18-GA)  
  9W-0852 [1] PIN-CONNECTOR (14-GA TO 16-GA)  
  230-5010 [2] PLUG AS-CONNECTOR (6-PIN)  
    (EACH INCLUDES)
  264-7032 [1] SEAL-CONNECTOR  
  160-7690 [1] PLUG AS-CONNECTOR (70-PIN)  
  159-9322 [1] SEAL-O-RING  
  8T-8737 [62] PLUG-SEAL  
  243-4508 [2] RECEPTACLE AS-CONNECTOR (6-PIN)  
  9X-3402 [19] SOCKET-CONNECTOR (16-GA TO 18-GA)  
  8T-8730 [1] SOCKET-CONNECTOR (16-GA TO 18-GA)  
  9W-0844 [1] SOCKET-CONNECTOR (14-GA TO 16-GA)  
  3S-2093 [2] STRAP-CABLE  
  2L-8077 [1] TERMINAL-RING (14-GA TO 16-GA, 1/4-IN SCREW)  
  125-7874 E TUBE-HEAT SHRINK (5.72-MM DIA)(15-CM)  
  125-7875 E TUBE-HEAT SHRINK (7.44-MM DIA)(5-CM)  
  E   ORDER BY THE CENTIMETER
 

#SEBP49490249
 

259-4940: HARNESS AS-WIRING

259-4940 HARNESS AS-WIRING -SERVICE CONNECTOR
S/N JBC1-UP; HCW1-UP
PART OF 275-7064, 275-7065 WIRING GP-COMMUNICATION
AN ATTACHMENT
i04967274 SEBP4949
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Parts for your 312D EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9X-3401 [6] PIN-CONNECTOR (16-GA TO 18-GA)  
  8T-8731 [1] PLUG-CONNECTOR (3-PIN)  
  8T-8737 [6] PLUG-SEAL  
  243-4508 [1] RECEPTACLE AS-CONNECTOR (6-PIN)  
  8T-8732 [1] RECEPTACLE-CONNECTOR (3-PIN)  
 

Information:

Engine News
Bulk Wiring Harnesses Are Available for Use with Caterpillar Products {1408}
2010/05/13
Operation and Maintenance Manual
Battery or Battery Cable - Inspect/Replace
312D and 313D Excavators
Battery - Recycle
312D and 313D Excavators
Battery Disconnect Switch
312D and 313D Excavators
Power Receptacle - If Equipped
312D and 313D Excavators
Fuses - Replace
312D and 313D Excavators
Special Instruction
Cross-Reference for Electrical Connectors {7553}
Cross-Reference for Electrical Connectors {7553}
Circuit Breaker Harness Assembly {1420}
Circuit Breaker Harness Assembly {1420}
Installation and Operation of the Exhaust Monitor Used in All Diesel Particulate Filter (DPF) Retrofit Emissions Applications{1091, 1408, 7490, 7498}
Installation and Operation of the Exhaust Monitor Used in All Diesel Particulate Filter (DPF) Retrofit Emissions Applications{1091, 1408, 7490, 7498}
Installation Procedure for Auxiliary Ready Hydraulic Circuit for 312D Excavators{1408, 5057, 5059, 5069, 5117}
Installation Procedure for Auxiliary Ready Hydraulic Circuit for 312D Excavators{1408, 5057, 5059, 5069, 5117}
Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}
Guidelines for Routing and Installing Wire Harness Assemblies {1408, 7553}
Troubleshooting Guide for 161-3128 Relay on Certain Excavators{1408, 7301}
Troubleshooting Guide for 161-3128 Relay on Certain Excavators{1408, 7301}
Installation of the 270-6106 Auxiliary Control Ar {1408, 1435, 7405, 7553, 7557}
Installation of the 270-6106 Auxiliary Control Ar {1408, 1435, 7405, 7553, 7557}
Repair Procedure for Damaged Harness Wiring {1408}
Repair Procedure for Damaged Harness Wiring {1408}
Installation Procedure for Product Link PL421 Retrofit{7606}
Installation Procedure for Product Link PL421 Retrofit{7606}
Procedure for Installing the 373-8980 Console Harness As on Certain Excavators{1408, 5258}
Procedure for Installing the 373-8980 Console Harness As on Certain Excavators{1408, 5258}
Installation Procedure for the 452-2209 Auxiliary Control Ar (Tool Control) On Certain 312D and 312D2 Hydraulic Excavators{1408, 5059, 5705, 7405, 7557}
Installation Procedure for the 452-2209 Auxiliary Control Ar (Tool Control) On Certain 312D and 312D2 Hydraulic Excavators{1408, 5059, 5705, 7405, 7557}
DRCP Connector Repair Service Instruction {1408, 7553}
DRCP Connector Repair Service Instruction {1408, 7553}
Rework Procedure for Heater Cable Assembly on Certain 311D Through 319D Excavators{1090}
Rework Procedure for Heater Cable Assembly on Certain 311D Through 319D Excavators{1090}
Installation of the 457-9316 Auxiliary Control Ar on Certain Hydraulic Excavators{1408, 5051, 5057, 5059, 7405, 7557}
Installation of the 457-9316 Auxiliary Control Ar on Certain Hydraulic Excavators{1408, 5051, 5057, 5059, 7405, 7557}
Installation of the 275-7061 Medium Pressure Wiring on Certain Hydraulic Excavators{1408}
Installation of the 275-7061 Medium Pressure Wiring on Certain Hydraulic Excavators{1408}
Procedure to Troubleshoot the Upper Window Wiper Relay on Certain 311D through 349D, E Series, and F Series Excavators{1408, 7305}
Procedure to Troubleshoot the Upper Window Wiper Relay on Certain 311D through 349D, E Series, and F Series Excavators{1408, 7305}
Installation Procedure to Retrofit Boom and Stick Lowering Control Valves on 312D Excavators {1408, 5057, 5117, 5453, 5456, 5458, 7405, 7557}
Installation Procedure to Retrofit Boom and Stick Lowering Control Valves on 312D Excavators {1408, 5057, 5117, 5453, 5456, 5458, 7405, 7557}
Tool Operating Manual
Using the 362-3555 Connector Repair Kit to Service Harnesses with Ampseal 16 Connectors{0685, 1408}
Using the 362-3555 Connector Repair Kit to Service Harnesses with Ampseal 16 Connectors{0685, 1408}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{7553}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{7553}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}
Using the U5MK1110 Ampseal Connector Kit for Wiring Harness Repairs on Perkins Engines{0374, 0599, 0701, 0709}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Systems Operation
Relays
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Tool Control System
Senders
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Tool Control System
Sensors
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Tool Control System
Switches
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Sensors
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Relays
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Switches
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Tool Control System
Pressure Switch (Refrigerant)
Air Conditioning and Heating R134a for All Caterpillar Machines
Testing and Adjusting
Electric Starting System - Test
C4.2 and C6.4 Engines for Caterpillar Built Machines
Electrical Connector - Inspect
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Wiring Harness (Open Circuit) - Test
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Overload Warning - Set - If Equipped
312D and 313D Excavators Hydraulic System
Electrical Connector - Inspect
AccuGrade® Site and Laser Reference System For Excavators
Wiring Harness (Open Circuit) - Test
AccuGrade® Site and Laser Reference System For Excavators
Wiring Harness (Short Circuit) - Test
AccuGrade® Site and Laser Reference System For Excavators
Wiring Harness (Short Circuit) - Test
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Electrical Connector - Inspect
AccuGrade® GPS / Single UTS / Site and Laser Reference v11 for Excavators
Wiring Harness (Open Circuit) - Test
AccuGrade® GPS / Single UTS / Site and Laser Reference v11 for Excavators
Wiring Harness (Short Circuit) - Test
AccuGrade® GPS / Single UTS / Site and Laser Reference v11 for Excavators
Connector Contact Description
AccuGrade® GPS / Single UTS / Site and Laser Reference v11 for Excavators
System Schematic
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Electrical Connector - Inspect
Product Link - PL522/523
Wiring Harness (Open Circuit) - Test
Product Link - PL522/523
Wiring Harness (Short Circuit) - Test
Product Link - PL522/523
Electrical Connector - Inspect
Product Link 121S/300
Wiring Harness (Open Circuit) - Test
Product Link 121S/300
Wiring Harness (Short Circuit) - Test
Product Link 121S/300
System Schematic
Machine Security System (MSS3i) Integrated
Troubleshooting
MID 039 - CID 0096 - FMI 05
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 0096 - FMI 04
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 0586 - FMI 05
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 0586 - FMI 12
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 0588 - FMI 09
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 2280 - FMI 03
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 0600 - FMI 04
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Electrical Connectors
C4.2 and C6.4 Engines for Caterpillar Built Machines
Electrical Connectors - Inspect
C4.2 and C6.4 Engines for Caterpillar Built Machines
MID 039 - CID 0110 - FMI 04
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 0110 - FMI 09
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Electrical Power Supply
AccuGrade® Site and Laser Reference System For Excavators
MID 039 - CID 1178 - FMI 03
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 1178 - FMI 04
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 039 - CID 1178 - FMI 08
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
CAN Data Link
AccuGrade® Site and Laser Reference System For Excavators
MID 039 - CID 0588 - FMI 12
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
Electrical Component and Connector Locations
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
CAN Data Link - Test
AccuGrade® GPS / Single UTS / Site and Laser Reference v11 for Excavators
MID 039 - CID 2300 - FMI 09
311D, 312D, 312D2, 313D, 313D2, 314D, 315D, 318D, 318D2 and 319D Excavators Machine Electronic Control System
MID 122 - CID 0269 - FMI 03
Product Link 121S/300
MID 122 - CID 0269 - FMI 04
Product Link 121S/300
Disassembly and Assembly
Battery - Remove and Install
312D and 313D Excavators C4.2 Engine Supplement
Service Magazine
Dielectric Grease Should Not Be Used in Electrical Connectors {1408, 7553}
2012/05/04
Investigation of the Liquid Level Switch on the Engine Oil Pan and on the Hydraulic Tank for Excavators {1302, 1408, 5056, 5068, 7422}
2009/08/31
Troubleshooting the Rotary Switch Assembly for the Engine Speed {1408, 7332}
2008/08/18
Updated Instruction For The Bypass Harness {0785, 1408}
2008/03/17
New Software and a New Rotary Switch Improve the Reliability of the Engine Speed Dial on Excavators {1408, 7332, 7610, 7620}
2009/02/16
An Improved Backup Alarm is Now Available {7406}
2009/01/26
Inspection Procedure for Switch Panel on Certain Excavators {1408, 7301, 7305, 7306, 7310}
2009/03/09
A New Harness Assembly for the Right Hand Console is Now Available {1408}
2009/06/01
Bulk Wiring Harnesses Are Available for Use with Caterpillar Products {1408}
2012/03/05
Improvement Made to the Harness in the Right-Hand Side Cab Console for Certain Excavators {1408}
2010/04/22
A Troubleshooting Procedure is Available for the Operation Check Relay on Certain Excavators {1408, 7301}
2010/07/28
New Torque Specification for Position Sensor on 3054E, C6.6, and C4.4 Machine Engines {1408, 1907}
2012/02/16
Striped Wire Is Replaced With Improved Ink Jet Identification for Legacy (Parts Service) Wire harnesses {1408}
2012/06/08
Use Conductive Fasteners for Electrical Grounding on All Cat Products {7553, 7556}
2012/05/08
A New Console Harness Assembly Is Available for Certain Excavators {1408}
2014/01/17
Information On Battery Cables and Wire Assemblies for Assembling at Dealer Site {4459}
2012/09/21
Parts are Now Available to Make Jump Start Receptacle on Cat<SUP>&reg;</SUP> Product {1463}
2014/03/04
The Control Panel Assembly has been Improved for Certain 311D to 349D Excavators {1408, 7301}
2014/03/27
A New Heater Cable Assembly is Available for Certain 311D Through 319D Excavators {7304}
2014/10/03
A New Special Instruction is Available for Troubleshooting the Upper Window Wiper Relay Circuit on Certain 311D-349D, E Series, and F Series Excavators {1408, 7305}
2015/08/07
Comprehensive List of Electrical Repair and Troubleshooting Information Is Now Available for All CAT Machines {0374, 0709, 1400, 1408, 7490, 7553, 7610}
Comprehensive List of Electrical Repair and Troubleshooting Information Is Now Available for All CAT Machines {0374, 0709, 1400, 1408, 7490, 7553, 7610}

Caterpillar Parts SIS Catalog 312D :

FASTENER GP-WIRING HARNESS
259-5294 FASTENER GP-WIRING HARNESS
FASTENER GP-WIRING HARNESS
259-5293 FASTENER GP-WIRING HARNESS
221-8861 ELECTRONICS GP-MONITOR
279-7527 ELECTRONICS GP-MACHINE
262-1421 ELECTRONICS GP-COMMUNICATION
CONTROL GP-UNPROGRAMMED
351-8490 CONTROL GP-UNPROGRAMMED
503-2958 CONTROL GP-ELECTRONIC
376-6478 CONTROL GP-COMMUNICATION
FASTENER GP-WIRING HARNESS
275-7063 FASTENER GP-WIRING HARNESS
FASTENER GP-WIRING HARNESS
291-7764 FASTENER GP-WIRING HARNESS
275-6842 HARNESS AS-CONTROL
373-8965 HARNESS AS-CONTROL
538-2059 HARNESS AS-ENGINE
495-9718 HARNESS AS-PANEL
HARNESS AS-PUMP
416-1814 HARNESS AS-PUMP
259-4887 HARNESS AS-WIRING
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