ELECTRICAL
673831-Rev A 4-9
4
Electrical Schematic Component Identification
Electrical components shown in the main schematic are identified with an alpha-numeric callout. All electrical
components shown in the electrical schematic are listed below.
• B1—Battery (See Figure 4-3.)
• D1—4WD Solenoid Diode (See Figure 4-3.
• F1—10A 12V Accessory Fuse (See Figure 4-3.
• F2—40A Glow Plug Fuse (See Figure 4-3.)
• F3—30A Ignition Relay Fuse (See Figure 4-3.)
• F4—15A Key Switch/Display Fuse (See Figure 4-4.)
• F5—30A Fan Motor Fuse (See Figure 4-3.)
• F6—20A MCU Fuse (See Figure 4-3.)
• F7—20A MCU Fuse (See Figure 4-3.)
•F8—10A Air Ride Seat Fuse (See Figure 4-3.)
• F9—30A Starter Relay Fuse (See Figure 4-3.)
• ★F10—5A Program Select (See Figure 4-3.)
• F11—250A Positive Battery Cable
• J1—Armrest Connector (See Figure 4-4.)
• K1—Ignition Relay (See Figure 4-3.)
• K2—Glow Plug Relay (See Figure 4-3.)
• K3—Starter Relay (See Figure 4-3.)
• K4—Fan Relay (See Figure 4-3.)
• L1—Worklight #1 (See Figure 4-4.)
• L2—Worklight #2 (See Figure 4-4.)
• L3—Worklight #3 (See Figure 4-4.)
• M1—Starter Motor (See Figure 4-3.)
• M2—Fuel Pump (See Figure 4-3.)
• ★M3—Air Ride Seat (See Figure 4-3.)
• M4—Cooling Fan Motor (See Figure 4-3.)
• R1—Glow Plugs (See Figure 4-3.)
• R2—Engine Coolant Resistor (See Figure 4-3.)
• R3—Main Harness CAN Resistor (See Figure 4-3.)
• R4—Armrest CAN Resistor (See Figure 4-4.)
• R5—Engine Temperature Sender (See Figure 4-3.)
• SOL1—Front Mow Solenoid (See Figure 4-4.)
• SOL2—Rear Mow Solenoid (See Figure 4-4.)
• SOL3—Front Backlap Solenoid (See Figure 4-4.)
• SOL4—Rear Backlap Solenoid (See Figure 4-4.)
• SOL5—Lower Solenoid (See Figure 4-4.)
• SOL6—Lift Solenoid (See Figure 4-4.)
• SOL7—4WD Solenoid (See Figure 4-4.)
•SOL8—Parking Brake Solenoid (See Figure 4-4.)
• ★SOL9—Weight Transfer Solenoid (See Figure 4-4.)
• ★SOL10—Left Side Shift Solenoid (See Figure 4-4.)
• ★SOL11—Right Side Shift Solenoid (See
Figure 4-4.)
• SOL12—Fuel Solenoid (See Figure 4-3.)
• ★SOL13—Lower Solenoid 2 (See Figure 4-4.)
• ★SOL14—Lift Solenoid 2 (See Figure 4-4.)
• ★SOL15—Weight Transfer Solenoid 2 (See
Figure 4-4.)
• SW1—Key Switch (See Figure 4-4.)
• SW2—Mow Switch (See Figure 4-4.)
• SW3—Joystick (See Figure 4-4.)
• SW4—Seat Switch (See Figure 4-3.)
• ★SW4A—Air Ride Seat Switch (See Figure 4-3.)
• SW5—Parking Brake Switch (See Figure 4-4.)
• SW6—Light Switch (See Figure 4-4.)
• SW7—Neutral Proximity Switch (See Figure 4-3.)
•SW8—Lift Proximity Switch (See Figure 4-4.)
• ★SW9—Side Shift Switch (See Figure 4-4.)
• SW10—Forward Proximity Switch (See Figure 4-4.)
• SW11—Oil Pressure Switch (See Figure 4-4.)
• SW12—Mow Speed Switch (See Figure 4-4.)
• U1—Mower Control Unit (MCU) (See Figure 4-3.)
• U2—Display Unit (LDU) (See Figure 4-4.)
• U3—LDU Buzzer (See Figure 4-4.)
• U4—Alternator (See Figure 4-3.)
• U5—12V Accessory Outlet (See Figure 4-3.)
The wiring for items marked with ★ is present in the
harness, but are not used on this mower.
For proper operation of the SLF530 mower, the 5 amp
fuse (F10) must be removed from the fuse block.