JLG 15VPSP Service Manual - Manual (Page 62)

SECTION 3 - TROUBLESHOOTING
3-8 – JLG Lift – 3120728
Figure 3-3. VPSP Electrical Diagram. (Sheet 1 of 2)
4933172_A
X102
B+
EMERGENCY STOP
CAN-LO
CAN-HI
CENTER DETECT
B–
EMERGENCY STOP PIN
15
14
13
5
6
1
7
X103 – LEFT MOTOR
MOTOR 1
MOTOR 2
BRAKE 1
BRAKE2 PIN
A1
A2
5
3
X104 – RIGHT MOTOR
MOTOR 1
MOTOR 2
BRAKE 1
BRAKE 2 PIN
A1
A2
5
2
X101
B+
B+ CONTROL
MAIN POWER DISCONNECT
ELEVATION SWITCH
TILT CUTOUT
CHARGER INTERLOCK
B – PIN
A1
3
5
1
2
4
A2
X105
RX DO - RECEIVE DATA
TX DO - TRANSMIT DATA
GROUND
LIFT UP
LIFT DOWN
PUMP CONTACTOR
DRIVE CUTOUT
BRAKE STATUS
HORN
ALARMS
HOURMETER PIN
7
8
13
4
6
5
12
11
15
14
3
PINS USED FOR
COMMUNICATION
TO SERIAL PORT
ON LAPTOP OR PC.
X102 X103
X105 X101 X104
END VIEW OF MC-1 BOX
SHOWING X CONNECTOR LOCATION