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Reading Block Diagrams
from Sumitomo SH460LHD-5 SH480LHD-5 SH500LHD-5 Excavator Troubleshooting Manual WLST4605TS-00W - PDF
Reading Block Diagrams Engine side
1 ECM terminal No. 2 Wiring color and wiring No. 3 Frame harness 4 Connector No. 5 Engine harness
Main unit side
1 Computer A connector and terminal No. 2 Wiring color and wiring No. 3 In-cab harness 4 Connector No. 5 Frame harness
