Service Manual User guide
SECTION 7 - BASIC ELECTRICAL INFORMATION & SCHEMATICS
3121262 – JLG Lift – 7-29
A
B
C
D
E
F
G
H
8
7
65
56
7
8
SEE SHEET 3 FOR
OTHER CONNECTIONS
J1 (WHITE)
J2 (GRAY)
J4 (BLUE)
J3 (BLACK)
CO239-J1
1
2
3
JIBUPO/R
4
5
6
7
SP
8
GND
9
GND
10
11
START
12
GLOW
13
AUXP
14
15
16
17
18
19
20
2SPD
21
22
GEN
23
BRK
24
25
26
27
28
ANALP
29
ANALR
30
ANALT
31
ANALG
32
ALTE
33
34
35
CO239-J2
1
JIB DMP
2
HORN
3
PLTDMP
4
MNTELEIN
5
PLVLUPO/R
6
GND
7
PLVLDNO/R
8
9
TELEFLOW
10
LIFTPILOT
11
LIFTUP
12
LIFTDNAUX
13
MAINDMP
14
GND
15
16
MNTELEOUT
17
GND
18
GND
19
LIFTFLOW
20
21
22
LIFTDN
23
24
25
FUEL
26
HEAD/TAIL
27
GNDALRM
28
29
GND
30
GND
31
JIBDNO/R
32
33
34
SWGLT
35
SWGRT
CO239-J4
1
AXLE
2
500#
3
BCS
4
STRT
5
LVLDN
6
ROTL
10
13
BCSCAL
14
OVRLD
15
GLOW
16
AUX
17
LVLUP
18
ROTR
21
24
IGN
26
ALT
27
1000#
28
TEMP
29
OILP
31
GND
32
CO239-J3
1
2
3
4
5
6
7
8
9
ALTE
10
11
12
13
14
CO239-J8
1
2
3
4
PNK 26-3
PNK 25-3
BLU 27-3-4
BLU 28-3-4
JIB LIFT
TOGGLE SWITCH
SW222
1
3
2
4
5
6
PLATFORM ROTATE
TOGGLE SWITCH
SW225
1
3
2
4
5
6
PLATFORM LEVEL
TOGGLE SWITCH
SW226
1
3
2
4
5
6
START/AUX POWER
TOGGLE SWITCH
SW227
1
3
2
4
5
6
LIGHT
500# CAP
LB229
1
2
LIGHT
AXLE SET
LB230
1
2
LIGHT
GLOW PLUG
LB231
1
2
TEMP LIGHT
HIGH COOLANT
LB232
1
2
PRES LIGHT
LOW OIL
LB233
1
2
OUTPUT LIGHT
NO ALTERNATOR
LB234
1
2
TEST LIGHT
MOMENT CNTL
LB235
1
2
SYSTEM LIGHT
BOOM CONTROL
LB236
1
2
OVERLOAD
PLATFORM
(CE ONLY)
LB237
1
2
YEL/RED 2-40-04
YEL/RED 2-40-08
YEL/RED 2-40-08
YEL/RED 2-40-09
YEL/RED 2-40-09
LIGHT
1000# CAP
LB238
1
2
BLK 000-31-01
BLK 000-31-01
BLK 000-31-11
BLK 000-31-10
BLK 000-31-10
BLK 000-31-09
BLK 000-31-09
BLK 000-31-08
BLK 000-31-08
BLK 000-31-07
BLK 000-31-07
BLK 000-31-06
BLK 000-31-06
BLK 000-31-05
BLK 000-31-05
BLK 000-31-04
BLK 000-31-04
BLK 000-31-03
BLK 000-31-03
BLK 000-31-02
BLK 000-31-02
BLU 28-2
BLU 27-2
GRY 23-2
GRY 23-2
GRY 24-2
GRY 24-2
PNK 25-2
PNK 25-2
PNK 26-2
PNK 26-2
WHT/YEL 48-1
WHT/YEL 48-1
BRN/ORN 53-2
BRN/ORN 53-2
RED/YEL 54-4
RED/YEL 54-4
WHT/YEL 39-1
WHT/YEL 39-1
WHT/YEL 48-6
WHT/YEL 48-6
BRN/WHT 47-6
BRN/WHT 47-6
BRN/WHT 47-5
BRN/WHT 47-5
BRN/WHT 47-8
BRN/WHT 47-8
ORN/RED 49-103
ORN/RED 49-103
ORN/RED 49-101
ORN/RED 49-101
ORN/RED 49-100
ORN/RED 49-100
RED/YEL 54-5
RED/YEL 54-5
X245
ANALYZER
1
2
3
4
YEL/RED 2-5
ORN/RED 49-5
ORN/RED 49-6
BLK 000-37
RED/WHT 50-3
Sheet_5 (Ground Box)-[2,D]
BLK 000-25
Sheet_5 (Ground Box)-[2,D]
Ground Box
WHT/YEL 48-9
BLU/ORN 52-5
BLK 000-22
YEL/RED 2-40-07
WHT/YEL 48-8
BLK 000-42 (16)
WHT/YEL 48-3
BRN/WHT 47-8-2BRN/WHT 47-8-1
WHT/YEL 48-7 (16)
WHT/YEL 48-7 (16)
X93
(CAT ENGINE ONLY)
ELECTRIC FUEL
PUMP CONNECTOR
LOCATED NEAR
FUEL TANK
1
2
X266
ENGINE
CONNECTOR #2
SEE SHEET 7
ZONE F-1
1
2
3
4
5
6
7
8
X274
ENGINE
SEE SHEET 7
CONNECTOR #1
ZONE E-1
1
2
3
4
5
6
S276
RED TP-CBL12
[3,E]
BLK TP-CBL12
[3,E]
SHIELD TP-CBL12
[4,E]
ORN 55-45
Sheet_4 (T/T & Boom)-[8,B]
ORN 55-47
Sheet_4 (T/T & Boom)-[8,B]
BRN/ORN 53-3
Sheet_4 (T/T & Boom)-[8,D]
S86
BRN/WHT 47-9
BRN/WHT 47-9
YEL/RED 2-40-06
YEL/RED 2-40-06
BLK 000-24-1
Sheet_5 (Ground Box)-[2,D]
RED/WHT 50-2-1
Sheet_5 (Ground Box)-[2,D]
YEL/RED 2-8-2 (12)
BLK 000-2 (12)
YEL/RED 2-8-6
[2,B]
YEL/RED 2-8-8
[2,B]
BLK 000-38
[2,C]
YEL/RED 2-8-5
YEL/RED 2-8-5
[2,B]
X271
1
2
3
4
5
6
X201
1
2
3
4
5
6
7
8
Figure 7-35. Electrical Schematic - Sheet 9 of 14
SHEET 5
1001119266-F