lectrical S ste
Service Manual – SC8000
Pin
ID
Wire
Color
Pin Assignment
Signal
Nominal
Voltage at
Connector
when
activated
Load or Supply
Characteristics
Real World
Shop
Measurements
Comments
J1-30
VIO/BLU
Engine Coolant
Temp
Analog
voltage
0.34 - 2.93
Engine Control
Module low side
output
1.59v at 132 Deg.
F (56 Deg. C)
J1-31
ORN/GRA
Drive Pedal
Sensor
Analog
voltage
0 - 5V
Pedal position
potentiometer wiper
5K ohm
0.919v Full FWD
0.449v Neutral
0.222v Full REV
Drive Pedal sensor wiper (0-5K ohm)
J1-32
RED/YEL
Hydraulic Filter
Switch
Digital
voltage
0V
Switch to ground
11.7v key on
*URXQGRURSHQFORVHGZKHQ¿OWHU
plugged
J1-33
BRN/BLU
Extend Scrub
Level Switch
Digital
voltage
0V
Switch to ground
11.7v key on
Ground or open, closed when tank is
empty
J1-34
YEL/WHT Ignition Inhibit
Low side
driver
0V
MOSFET gate on
relay PCB assy. - 3
mA@12V
11.7v key on
*URXQGRUÀRDW
J1-35
Not Used
J2-1
BLU/GRN Main Power Relay
Low side
driver
0V
Relay coil - 0.29A
@12V
0.33v key on
46 ± 5 ohms
J2-2
BLK/WHT
Side Sweep/Scrub
Solenoid (S8)
Low side
driver
0V
Hydraulic coil - 1.5A
@12V
11.9v Sol off
0.39v Sol. on
8 ohms @ 20 C
J2-3
GRN/VIO
Side Scrub Lift
Solenoid
Low side
driver
0V
Hydraulic coil - 1.5A
@12V
11.9v Sol off
0.23v Sol on
8 ohms @ 20 C
J2-4
YEL/BLU
Scrub Lock
Solenoid
Low side
driver
0V
Hydraulic coil - 1.5A
@12V
11.9v Sol. off
0.22v Sol. on
8 ohms @ 20 C
J2-5
RED/GRA
Squeegee Down
Solenoid
Low side
driver
0V
Hydraulic coil - 1.5A
@12V
11.9v Sol. off
0.188v Sol. On
8 ohms @ 20 C
J2-6
BRN/GRN
Squeegee Up
Solenoid
Low side
driver
0V
Hydraulic coil - 1.5A
@12V
14.6v Sol. off
0.213v Sol. on
8 ohms @ 20 C
