Electrical System 143Service Manual – CS7000
Conn. Pin Wire Desig. Description ID Signal Nominal Value
Black voltmeter lead
on:
J2 20 157 YEL/
ORN
Output Solution Solenoid
Valve
Grounds to energize
L1 ON/OFF signal
J2 21 160 BLU/
VIO
Output Detergent Pump M18 PWM SIGNAL
(Reversing
Polarity)
0-12V J2-32
J2 22 167 BLK/
YEL
Output Lamps Common Regulated 12V
supply
12 B-(Ground)
J2 23 169 BRN Output Head Lamps and Curb
Lamp
PWM ground to turn
on lights
LT2,
LT3,
LT8
PWM ground to
turn on lights
0 B-(Ground)
J2 24 039 ORN/
RED
Output Hydraulic Pump Motor
Contactor
Grounds to energize
K12
J2 25 047 YEL/
BLU
Output Left Brush Motor
Contactor
K1 Grounds to
energize
36V OFF / 0V ON B-(Ground)
J2 26 015 WHT/
VIO
Output Center Brush Motor
Contactor
K2 Grounds to
energize
36V OFF / 0V ON B-(Ground)
J2 27 061 GRA/
RED
Output Right Brush Motor
Contactor
K3 Grounds to
energize
36V OFF / 0V ON B-(Ground)
J2 28 038 BLU/
ORN
Output Hydraulic Pump Motor
Contactor (K11)
Grounds to energize
K11 Grounds to
energize
36V OFF / 0V ON B-(Ground)
J2 29 ---
J2 30 ---
J2 31 ---
J2 32 221 GRA/
BLU
Output Detergent Pump M18 PWM SIGNAL
(Reversing
Polarity)
0-12V J2-21
J2 33 ---
J2 34 054 BLK/
WHT
Power
Supply
VACC6a Power supply
from Aux Relay
36/40.5
J2 35 053 BLK/
WHT
Power
Supply
VACC6b Power supply
from Aux Relay
36/40.5
J3 1 042 VIO/
ORN
Output Extended Scrub Pump M25 PWM ground 0-36V
J3 2 093 RED/
YEL
Output Solution Control Pump M19 PWM ground 0-36V
J3 3 030 BRN/
WHT
Output Main Broom Actuator
Reversing polarity
driver
M21 PWM SIGNAL
(Reversing
Polarity)
0-36V J3-4
J3 4 031 RED/
VIO
Output Main Broom Actuator
Reversing polarity
driver
M21 PWM SIGNAL
(Reversing
Polarity)
0-36V J3-3
J3 5 106 GRA/
VIO
Output Side Broom Actuator
Reversing polarity
driver
M13 Reversing
Polarity
Battery 30.5- 38V
Engine ON 37-40.5V
J3-17
J3 6 111 BRN/
GRN
Output Dump Door Actuator M26 Reversing
polarity driver
0-36V J3-7
J3 7 115 RED/
GRA
Output Dump Door Actuator
Reversing polarity
driver
M26 Reversing
polarity driver
0-36V J3-6
J3 8 118 WHT/
ORN
Output High Pressure Pump
Clutch Coil
Y1 High Side
Driver Engine
12V
12V B-(Ground)
J3 9 123 PINK Output Ignition On Output
12v out to engine
system
High Side
Driver Engine
12V
12V
J3 10 129 BLU/
PINK
Output Start Output
12v out to starter
High Side
Driver Engine
12V
12V