AIR COMPRESSOR GP 3547529 - Caterpillar

General Information
The service tool connector is on the front of the shift lever console. This console is located to the right of the operator's seat.
Illustration 1 g00474591
Connector location for the D250E and the D300E. (1) Diagnostic service tool connector for the ET. (2) Diagnostic service tool connector for starting and charging.The service tool connector is located on the console to the right of the operator's seat.
Illustration 2 g00618720
Connector location for the D350E and the D400E. (3) Diagnostic service tool connector for the ET. (4) Diagnostic service tool connector for starting and charging.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 3 g00279578
Power Train ECM (1) Connector J1. (2) Connector J2.
Illustration 4 g00279579
Power Train ECM (3) Screw.
Illustration 5 g00517682
The ECM Side Of The ECM Connector
Illustration 6 g00517681
The Wire Side Of The ECM ConnectorTo remove the machine harness from the ECM, use screw (3) in the center of the harness connector.