310K - BACKHOE, LOADER 1675 System Controls Parts group 1675 System Controls 1675 System Controls . Machine Ignition and Lock Key Engine Control Unit (ECU) (Engine 4045HT054, 4045HT072, 4045HT086, 4045HT087) Engine Control Unit, ECU (Engine 4045HT085) Engine Control Unit (ECU) (Engine 4045TT096) Pilot Enable Control Differential Lock Control Switch Return-to-Dig Wiring Selective Flow Switches Loader Coupler Wiring Harness Window Washer Control Anti-Theft Decal Kit Ride Control Wiring Harness Ride Control Switch Switch Plug without Mechanical Front Wheel Drive Switch Plug without Start Aid Plug, Washer Plug, Beacon Plug, Selective Flow Plug, Ride Control Plug, Pattern Select Plug, Loader Coupler Loader Controller and Auxiliary Harness, Single Lever