Caterpillar 631E 637E Tractor Repower Electric System Schematic Service Manual SEBU6022 Serial number: NBN1-Up

Serial number: NBN1-Up

Parts number: RENR9469

and 438C Backhoe Loader with European Cab Electrical System

Parts number: SSBU9164

Caterpillar 631E 637E Tractor Repower Electric System Schematic Service Manual SEBU6022 Serial number: NBN1-UpThis is an electrical schematic for the equipment. It is a set of one or more very large sheets of paper, measuring 48 inches x 35 inches with color or black and white diagrams. Also, usually a description is attached to the diagrams indicating: 1) The location and numbering of the components on the circuit and on the equipment. 2) Location and numbering of connectors on site and on the equipment. 3) Some diagnostic error codes for CID MID FMI and