BAT: 4-6VDC batteries
FU: 150A fuse
CW: Off-board charger interlock switch
BR1: Main controller circuit breaker, 5A
KEY SW: Main power key switch
AS: Alarm lamp switch
LED2: Alarm lamp
CH1: On-board battery charger
CH2: Off-board battery charger port
LED1: Work LED light
BR2: Brake circuit breaker, 10A
M3: Traction motor
M1: Brush motor, left
M6: Brush motor, right
M2: Vacuum motor
AP: Accelerator Pedal, sensor
SL: Solution tank water level sensor
RF: Recovery tank water level sensor
RT: Reverse switch
ST: Seat switch
EG: Emergency stop switch
M4: Scrub head lifting actuator
M5: Squeegee lifting actuator
BK: Brake coil
DP: Detergent pump
EW: Solution solenoid valve
HN: Horn