JLG 20VP (3120728) Service Manual - Manual (Page 67)

SECTION 3 - TROUBLESHOOTING
3120728 – JLG Lift – 3-7
Figure 3-2. Overview of Standard Electrical System. (Sheet 2 of 2)
TO (+)
BATTERY
TERMINAL TO (—)
BATTERY
TERMINAL
MOTOR/BRAKE
ASSEMBLY
(RIGHT SIDE)
BRAKE LIMIT
SWITCH
WIRING
MOTOR/BRAKE
ASSEMBLY
(LEFT SIDE)
DRIVE MOTOR
POWER LEADS
DRIVE MOTOR
POWER LEADS BRAKE
RELEASE
WIRING
BRAKE
RELEASE
WIRING
MC-1
CONTROLLER BOX
ELEVATION
LIMIT
SWITCH
TO
BATTERY
CHARGER
CUTOUT
SWITCH
TILT
SENSOR
SWITCH
PLATFORM
CONTROL
BOX
LAPTOP COMPUTER
(remove existing connector
at X105 port on the MC-1 controller box
and plug-in the laptop computer.
Requires P/N-2900868 Configuration Kit.)
X104
X101
X105
X103
PLATFORM
CONTROLLER
GROUND
CONTROLS
SWITCH
(LIFT UP/LIFT DOWN)
FROM X101
CONNECTOR
FR
OM
X1
05
CO
NN
EC
TO
R
TO MAIN
CONTACTOR
RELAY
GROUND
CONTROLS
RELAY
EXTERNAL
DRIVE/HORN
RELAY
CONTACTOR
RELAY
USE WIRING
DIAGRAM
FIGURE 3-3.
THIS SECTION
OF THE
MANUAL WITH
THIS PICTORIAL
WIRING DIAGRAM