February 2022
Service Manual
Electrical Component and Wire Color Legends
Part No. 1314708GT
GRC
™
97
Electrical Component Legend
Item
Description
B1 - B4 Battery, 6V DC
CB1
Circuit breaker, 7A
CON1
Contactor, Motor controller power
D
Diode
D1 = Motor controller enable, 3A
D2 = Motor controller, 3A
EN1
Enclosure, AC outlet box
F
Fuse
F1 = 275A
FB1
Flashing beacon
GND
Ground
H
Horn or alarm
H1 = Alarm, GCON
H2 = Automotive style horn (option)
H3 = Alarm, PCON
JC1
Joystick
KS1
Key switch
LS
Limit switch
LS6 = Platform down
LS7 = Pothole
LS8 = Pothole
LS18 = Load sense (option)
M1
Hydraulic power unit
NC
Normally closed
NCHO Normally closed held open
NOHC Normally open held closed
OSP
Obstruction sensing pads (QSR models)
P
Red emergency stop button
P1 = At ground controls
P2 = At platform controls
Electrical Component Legend, continued
Item
Description
C, J,
QD
Connector, Plug, Quick disconnect
QD1 = Battery quick disconnect
C8 / QD3 = Control cable to ground
C4 / QD4 = Control cable to platform
C6 / QD30 = AC plug
J1 / QD31 = GCON ECM, ground and platform
controls
J3 / QD32 = GCON ECM, switches and sensors
J2 / QD33 = GCON ECM, function manifold
QD34 = Power buss, switches and sensors
QD35 = Ground buss, switches and sensors
QD36 = Pothole guard switches
QD37 = Down limit switch
C18 / QD38 = Level sensor
QD39 = Ground buss, function manifold
C40 / QD40 = Drive reverse coil
C41 / QD41 = Drive forward coil
C42 / QD42 = Steer right coil
C43 / QD43 = Steer left coil
C44 / QD44 = Platform up coil
C63 = Platform down coil
J23 / QD45 = Obstruction pads, power signal in/out
J6 / QD47 = Platform controls PCB, power/signal
in/out
J5 / QD48 = Platform controls PCB, E-Stop and
alarm
J4 / QD49 = Platform controls PCB, joystick
R
Resistor
R1 = 1k Ohm, 2W
R2 = 200 Ohm, 10W
R27 = 25 Ohm, 2W
R30 = 200 Ohm, 10W
S7
Level sensor
U
Electronic component
U1 = Electronic Control Module, GCON
U2 = Printed Circuit Board, PCON
U4 = AC/DC Inverter (option)
U6 = Motor Controller
U9 = Battery Charger
U47A = Obstruction sensing pad (hydraulic tank
side)
U47B = Obstruction sensing pad (battery tray)
U47C = Obstruction sensing pad (steer end)
U47D = Obstruction sensing pad (ground control
side)
Y
Valve coil
Y3 = Steer right
Y4 = Steer left
Y5 = Drive reverse
Y6 = Drive forward
Y7 = Platform Down
Y8 = Platform Up
Z1
Zener diode
Summary of Contents for Genie GRC-12
Page 113: ...February 2022 Service Manual 101 Electrical Schematic GRC Options...
Page 115: ...February 2022 Service Manual 103 Electrical Schematic GRC from GRC11 1000 to GRC11 1078...
Page 118: ...Service Manual February 2022 106 Electrical Schematic GRC from GRC11 1000 to GRC11 1078...
Page 119: ...February 2022 Service Manual 107 Electrical Schematic GRC from GRC11 1079 to GRC14 1780...
Page 122: ...Service Manual February 2022 110 Electrical Schematic GRC from GRC11 1079 to GRC14 1780...
Page 123: ...February 2022 Service Manual 111 Electrical Schematic GRC from GRC14 1781 to GRC15 2343...
Page 126: ...Service Manual February 2022 114 Electrical Schematic GRC from GRC15 2344 to GRC16P 2481...
Page 127: ...February 2022 Service Manual 115 Electrical Schematic GRC from GRC16P 2482 to GRC16P 2562...
Page 130: ...Service Manual February 2022 118 Electrical Schematic GRC from GRC16P 2563 to GRCP 5999...
Page 131: ...February 2022 Service Manual 119 Hydraulic Schematic GRC from GRC11 1000 to GRC12 1168...
Page 135: ......