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
J2-7
ORN/BLU
Scrub Brush
Solenoid
Low side
driver
0V
Hydraulic coil - 1.5A
@12V
14.6v Sol. off
0.25v Sol. on
8 ohms @ 20 C
J2-8
BRN/YEL
Vacuum Motor
Solenoid
Low side
driver
0V
Hydraulic coil - 1.5A
@12V
14.1v Sol. off
0.2v Sol. on
8 ohms @ 20 C
J2-9
Extended Scrub
Water Solenoid
Low side
driver
0V
Solution solenoid -
1.5A @12V
Not measured
J2-10
BLU/YEL
Side Scrub
Solution Solenoid
Low side
driver
0V
Solution solenoid -
1.0A @12V
14.4v Sol. off
0.202v Sol. on
This was pulsed on momentarily. You may
not see the change without a Min/Max
function on your voltmeter.
J2-11
BLU/BLK
Backup Audible
Alarm
Low side
driver
0V
Electronic alarm
0.25A @12V
14.4v off
J2-12
ORN
Circuit Breaker 4
(VACC4)
Power
12 - 15 VDC System voltage
14.5v Eng.
running
Power from circuit breaker 4 (20A)
J2-13
WHT/
ORN
Glow Plug Relay
Low side
driver
0V
Relay coil - 0.29A
@12V
Not measured
46 ± 5 ohms
J2-14
Not Used
J2-15
Not Used
J2-16
Not Used
J2-17
BLK
Ground
Ground
0V
Ground
-0.025v running
J2-18
BLK
Ground
Ground
0V
Ground
-0.025v running
J2-19
Not Used
J2-20
Not Used
J2-21
Not Used
J2-22
YEL/GRN
Main Solution
Solenoid
Low side
driver
0V
Solution solenoid -
1.5A @12V
12.9v Sol. Off
0.289v Sol. on
This was held on steady.
J2-23 GRN/BRN
Circuit Breaker 5
(VACC5)
Power
12 -1 5 VDC System voltage
14.52v Eng.
running
Power from circuit breaker 5 (10A)
