Section 6 • Schematics
May 2015
6 - 6
GTH-1048 • GTH-1056
Part No. 123701
Electrical Component Legend
(before serial number GTH1012-16292)
Abbreviation Legend
Battery
Circuit Breaker, 40A
Capacitor, 4700mf
Control relay
CR5 = Horn
CR11 = Boom up
CR55 = Drive reverse
CR56 = Drive forward
CR69 = Boom extend
CR88 = Power
CR89 = Parking brake
CR100 = Sway enable
Alternator
Fuse
F6 = 20A, Power to controls
F19 = 10A, ECM power
F20 = Fuse block
Throttle pedal
Gauge
G3 = Engine coolant temperature
G6 = Hourmeter
G8 = Diagnostic display
G11 = Fuel level
G12 = Tachometer
Horn
H2 = Auto-style horn
H5 = Multifunction alarm
Key switch
B1
CB2
C5
CR
D1
F
FS2
G
H
KS1
Light
L7 = Low battery
L42 = Engine oil pressure
Engine starter
M9 = Heater fan motor
M10 = Windshield wiper motor
M11 =
M12 =
Pressure switch
PS4 = Service brake
PS6 = Parking brake
PS7 = Low brake pressure
PS8 = Sway
Proximity
L61 = Back up light
L63 = Low brake pressure
L64 = Parking brake on
L71 = Transmission oil pressure
L72 = Transmission temperature
L73 = Low fuel level
L74= 4-wheel steer select
L75 = Crab steer select
L76 = 2-wheel steer select
Motor
M3 =
Cab circulation fan motor
Windshield washer motor
switch
PX1 = Boom extend
PX2 = Boom angle
Sensor
S1 = Engine coolant temperature
S2 = Engine oil pressure
S11 = Transmission oil temperature
S12 = Transmission oil pressure
S13 = Fuel level
L
M
PS
PX
S
Switch
SW23 = Transmission control
SW24 = Parking brake
SW34 = Sway enable
SW35 = Auxiliary control
SW39 = Right outrigger
SW40 = Left outrigger
SW42 = Tilt enable
SW43 = Steer select
SW44 = Horn
SW77 = Differential lock
Electrical component
U31 = Engine ECM
U37 = Diode
Valve coil
Y5 = Transmission reverse
Y6 = Transmission forward
Y55 = Rear axle oscillate enable
Y67 = Parking brake release
Y68 = Differential lock
Y70 = Sway left enable
Y71 = Sway right enable
Y72 = Tilt
Y73 = Right outrigger extend
Y74 = Right outrigger retract
Y75 = Left outrigger extend
Y76 = Left outrigger retract
Y77 = Auxiliary
Y78 = 4-wheel steer select
Y79 = Crab steer select
Y80 = Transmission "D"
Y81 = Transmission "E"
Y82 = Sway enable
Y83 = Rear axle oscillate fast
SW
U
Y
Summary of Contents for GTH-1048
Page 6: ...May 2015 GTH 1048 GTH 1056 Part No 123701 vi This page intentionally left blank ...
Page 174: ...Section 6 Schematics May 2015 6 11 Harness Map Control System Power Single Joystick 6 12 ...
Page 177: ...May 2015 Section 6 Schematics 6 14 Harness Map Control System Ground Single Joystick 6 13 ...
Page 178: ...Section 6 Schematics May 2015 6 15 Harness Map Control System Power Dual Joystick 6 16 ...
Page 181: ...May 2015 Section 6 Schematics 6 18 Harness Map Control System Ground Dual Joystick 6 17 ...
Page 190: ...Section 6 Schematics May 2015 6 27 Harness Map Options Work Lights 6 28 ...
Page 193: ...May 2015 Section 6 Schematics 6 30 Harness Map Options Road Lights 6 29 ...
Page 194: ...Section 6 Schematics May 2015 6 31 Harness Map Options Enclosed Cab with Heater 6 32 ...
Page 197: ...May 2015 Section 6 Schematics 6 34 Harness Map Options Enclosed Cab with HVAC 6 33 ...
Page 210: ...Section 6 Schematics May 2015 6 47 Hydraulic Schematic Models with Single Joystick 6 48 ...
Page 213: ...May 2015 Section 6 Schematics 6 50 Hydraulic Schematic Models with Dual Joystick 6 49 ...
Page 214: ......