Electrical System
76
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
J3-14
BLU
Circuit Breaker2
(VACC2)
Power
12 - 15 VDC System voltage
12.7.v key on
Power from circuit breaker 2 (20A)
J3-15
BLU
Circuit Breaker 2
(VACC2)
Power
12 - 15 VDC System voltage
12.7v key on
Power from circuit breaker 2 (20A)
J3-16
VI
Circuit Breaker 3
(VACC3)
Power
12 - 15 VDC System voltage
12.7v key on
Power from circuit breaker 3 (15A)
J3-17 WHT/YEL Horn
Low side
driver
0V
Electromagnetic
horn 4A @12V
12.6v off
2.7v on
J3-18 YEL/BLK Side Sweep Mist
Pump
Low side
driver
0V
Pump motor 3.9
FLA @ 24V, 16 LRA
Not Measured
24V pump operated at 12V
J3-19 BLK/RED Detergent Pump
2 (-)
H-bridge
driver
0 to B+
0.65A @ 12V
0.16v to 14.5v
Pulsed on and off at a rate less than 10 Hz
Normal scrub approx 0.2v. Burst of power
scrub approx 10-14v
J3-20 BLK/YEL Detergent Pump
2 (+)
H-bridge
driver
0 to B+
0.65A @ 12V
0.16v to 14.5v
Pulsed on and off at a rate less than 10
Hz. Burst of power scrub approx 10-14v
J3-21 RED/BLU Detergent Pump
1 (-)
H-bridge
driver
0 to B+
0.65A @ 12V
0.16v to 14.5v
Pulsed on and off at a rate less than 10
Hz. Burst of power scrub approx 10-14v
J3-22
RED/
WHT
Detergent Pump
1 (+)
H-bridge
driver
0 to B+
0.65A @ 12V
0.16v to 14.5v
Pulsed on and off at a rate less than 10
Hz. Burst of power scrub approx 10-14v
J3-23 BLU/RED Wand Solution
Pump
Low side
driver
0V
Pump motor 12.5
FLA@12V, 50 LRA
Not Measured
