Komatsu PC88MR-10 Shop Manual page 1358

80 Appendix
Parts and connectors layout
4) By using bolt (B), raise seat bracket (6).
A/C U: Air conditioner unit
[6]: Inside air temperature sensor connector
4. Sunlight sensor
P31: Sunlight sensor connector
5. Machine monitor
CM01 to CM04: Machine monitor connector
a Connector CM04: (for camera connection)
80-34 PC88MR-10