The Cab Wiring Harness, often referred to as the cab main harness or the instrument harness, is the central nervous system within the operator's compartment of a Caterpillar 307 excavator. It is a complex, pre-assembled bundle of wires, connectors, terminals, and protective sleeving that distributes power and data signals to all the controls, displays, and comfort features inside the cab. Its design and quality are critical for the machine's overall functionality, operator efficiency, and diagnostic capabilities.
This 479-4302 cab wiring harness is used for 307 307E 307E2 excavator.
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