SHAFT 1V3253 - Caterpillar

same Caterpillar Monitoring System operates on a variety of different machines. The monitoring system is a flexible, modular system that includes the main display module and optional display modules (speedometer/tachometer module and quad gauge module). The main display module is used in all applications. The type and the quantity of display modules that are used depends on the machine. All of the following electrical components are not present on every machine. The main display module recognizes the machine and the components that are present. For the location of the electrical components, see the Electrical System Schematic in the Service Manual for the machine.