325D, 330D, 345C, M325C and M330D Excavators and M325D L MH and M325D MH Material Handlers Magnet Controller Caterpillar

Illustration 1	g01735173
Genset ECM (1) J1 Connector (2) J2 Connector

Illustration 2	g01735193
Genset Service 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 3	g00554751
Electronic Control Module (ECM)

Illustration 4	g01090860
Controller Panel Harness Connectors J1 and J2 that mate to the ECM.