Section 6 • Schematics
REV B
June 2007
6 - 6
GS-2668 RT • GS-3268 RT
Part No. 112657
Electrical Schematics Abbreviation and Wire Color Legends
WIRE COLOR
LEGEND
Item Description
BL Blue
BK Black
BR Brown
GN Green
OR Orange
PP Purple
RD Red
WH White
YL Yellow
BL/RD Blue/Red
BL/WH Blue/White
BK/RD Black/Red
OR/WH Orange/White
RD/BK Red/Black
RD/WH Red/White
WH/BL White/Blue
WH/BK White/Black
WH/RD White/Red
WH/YL White/Yellow
YL/BK Yellow/Black
ELECTRICAL SCHEMATIC LEGEND
Item Description
Battery
B
B1 = Engine start
B4 = Auxiliary platform down
Button
BN
BN1 = Engine stop
BN2 = Engine start
BN3 = Glow plug
BN4 = High idle
BN5 = Horn
BN6 = High torque
BN7 = Generator
BN11 = Driving lights
BN12 = High speed lift enable
BN13 = Low speed lift enable
BN15 = Horn/left front outrigger
BN16 = Outrigger function enable
BN17 = High torque/left front outrigger
BN18 = Generator/right front outrigger
BN20 = Outrigger auto level
BN22 = Right rear outrigger
BN23 = Auxiliary platform down
C5
Capacitor, 4700 uf
Circuit breaker
CB
CB1 = 20 amp
CB2 = 1 amp (before serial number 24000)
CB2 = 7 amp (after serial number 23999)
Control relay
CR
CR1 = Engine start
CR4 = High idle
CR5 = Horn relay
CR8 = Ignition
CR15 = Glow plug
CR17 = Hydraulic oil cooling fan
CR25 = Engine run
CR34 = Driving lights
CR43 = Power to ECM
Power supply
D
D1 = Alternator
D2 = Generator (option)
D7 = Voltage regulator — 12V DC to 5V DC
EN1
Platform control box enclosure
FB1
Flashing beacons (option)
F9 30A
fuse
Gauge
G
G6 = Hour meter
G8 = Diagnostic display
GND Ground
Horn or alarm
H
H1 = Alarm, level sensor
H2 = Automotive-style horn
JC4
Joystick controller- drive, steer, platform up/down
KS1 Key
switch
LED or light
L
L18 = Emergency stop
L19 = Power
L21 = High torque selected
L23 = High idle selected
L25 = Fault
L27 = Generator selected
L29 = Driving lights
L41 = Coolant temperature
L42 = Oil pressure
Limit switch
LS
LS1 = Extension deck
LS5 = Platform up
LS6 = Platform down
LS12 = Left front outrigger
LS13 = Right front outrigger
LS14 = Left rear outrigger
LS15 = Right rear outrigger
Motor or pump
M
M1 = Hydraulic oil cooling fan
M3 = Engine starter
ELECTRICAL SCHEMATIC LEGEND
Item Description
*N Note
N.C. Normally
closed
N.O. Normally
open
Power
P
P1 = Emergency stop button at ground controls
P2 = Emergency stop button at platform controls
PS2
Platform overload pressure switch
Electro-mechanical solenoid
Q
Q1 = LPG lockout
Q2 = Gasoline lockout
Q3 = High idle
Q8 = Fuel shut off
Quick disconnect
QD
QD3 = Control cable to ground
QD4 = Control cable to platform
Resistor
R
R7 = 2000
:
resistor
R15 = 0 to 5000 ohm potentiometer
Sensor
S
S7 = Tilt sensor (models without outriggers)
S8 = Tilt sensor (models with outriggers)
Switch
SW
SW1 = Engine coolant temperature
SW2 = Engine oil pressure
SW5 = Function enable
SW6 = Steer left/right
SW25 = DIP switch
Toggle switch
TS
TS6 = Glow plug
TS20 = Platform up/down
TS21 = Platform up/down & outrigger
extend/retract
TS52 = Engine start
TS53 = Fuel select
TS54 = Engine high idle
TS55 = Function enable
TS56 = Glow plug
TS66 = Platform up/down
TS67 = Function enable
Electronic component
U
U3 = Printed circuit board
U5 = Electronic control module
U19 = Ignition coil
U20 = Spark plug(s)
U26 = Distributor
U32 = Glow plug
Valve coil
Y
Y1 = Drive parallel
Y1A = Drive parallel
Y1B = Drive parallel
Y2 = Brake release
Y3 = Steer right
Y4 = Steer left
Y5 = Drive reverse
Y5A = Drive reverse
Y6 = Drive forward
Y6A = Drive forward
Y7 = Platform down
Y7A = Platform down (GS-3268 only)
Y8 = Platform up
Y9 = Proportional flow control
Y10 = Auxiliary platform down(GS-3268 only
before serial number 40207)
Y10A = Auxiliary platform down (GS-3268 only)
Y29 = Generator on (option)
Y33 = Left rear outrigger
Y34 = Right rear outrigger
Y35 = Left front outrigger
Y36 = Right front outrigger
Y39 = Outrigger retract
Y40 = Outrigger extend
Y44 = Outrigger extend slow
Summary of Contents for GS-2668 RT
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