D5R Track-Type Tractor Connector Locations Caterpillar


Connector Locations
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1.1. Connector Contact Numbers



Illustration 1g01885859

Machine ECM

(1) J1 Connector

(2) J2 Connector

(3) Machine ECM

(4) Front Cab Window

The machine ECM is mounted to the firewall below the front cab window.




Illustration 2g02952816

(5) Operator Seat

(6) Electrical Panel




Illustration 3g02952817

(7) ET service connector

The ET Service Connector (7) is located on the LH side of the cab, next to the operator seat, behind the (6) Electrical panel cover. Remove the cover to access the connector.

The Electrical System Schematic, Parts Manual, and Operation and Maintenance Manual for the machine that is being serviced should be used to locate electrical components and connectors.

The following information is a guide to reading the tables on the back of the Electrical System Schematic.

  • The "Component Location" table uses white circles to mark the locations in the profile of the machine and in the area views. Alphabetical letters in the "Machine Location" column indicate a general area of the machine. Refer to the corresponding footnote at the end of the table for a description of the location.

  • The "Harness Connector Location" table uses white circles to mark the locations in the general view and in the area views. Alphabetical letters in the "Machine Location" column indicate a general area of the machine. Refer to the corresponding footnote at the end of the table for a description of the location.

Connector Contact Numbers




Illustration 4g01341037

Electronic Control Module (ECM)




Illustration 5g01341038

Back View of Machine Harness Connectors J1 and J2 that mate to the ECM.

Information System:

Rework of the Blade Assembly{6060}
973D Track-Type Loader Hydraulic System Hydraulic Tank and Filter
D5R Track-Type Tractor MID 039 - CID 1558 - FMI 09
C15 and C18 Industrial Engines Combustion Head - Remove and Install
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
3516B and 3516C Engines and 789D Off-Highway Trucks Piston and Rings
D7E Track-Type Tractor Power Train Track Roller - Remove and Install
2009/04/20 New Software Is Now Available for Cold Starting {7610, 7620}
Updating the Access Ladder On D11T Machines{7254}
Tier II Level Emissions Engine Repower for an 844 Wheel Dozer, 990 Wheel Loader, and a 990 Series II Wheel Loader {1000}
Cat Commercial Diesel Engine Fluids Recommendations Biodiesel
Installation of Cover Kit for Certain Wheel Tractor-Scrapers{726A}
Inspection of Slag Buckets{6110}
D7E Track-Type Tractor Power Train Recoil Cylinder - Disassemble
D7E Track-Type Tractor Power Train Recoil Cylinder - Assemble
D7E Track-Type Tractor Power Train Track Adjuster - Disassemble
D7E Track-Type Tractor Power Train Track Adjuster - Assemble
D5R Track-Type Tractor MID 039 - CID 2671 - FMI 06
980H Wheel Loader Power Train Transmission Planetary - Disassemble - Heavy Duty
C15 and C18 Industrial Engines Temperature Sensor (DPF) - Remove and Install - Clean Emissions Module
D5R Track-Type Tractor Hydraulic System Has Unusual Noise
C9.3 Engine for Wheel Tractor-Scrapers Electrical Connectors
D5R Track-Type Tractor Hydraulic System Oil Contains Air
C11, C13, C15, and C18 Industrial Engines ECM - Replace