92 or, Electrical system, Ab c e – SkyTrak 8042 Service Manual User Manual
Page 683
Electrical System
9.92
Model 8042, 10042, 10054 Legacy
Rev. 10/03
9.7.22
10054 Logic Harness & Boom Extend Interlock Harness Electrical Schematic
(SN 13198 Through 16782, Without Lighting Package)
LIGHT
SWITCH RELAY
7.5
3
3C
3
3A
OPTION
3B
56A
49
60A
D
3A
3A
3A
3A
7.5
OUTRIGGER
CYLINDERS
7.5
OUTRIGGER
SWITCHES/
BOOM
SENSOR
107
41
41
41
NOT USED
NOT USED
C
B
A
J15
J5
J14
J7
J2
J3
J11
J6
J8 J9
J4
J10
J12
J1
INSTRUMENT PANEL
POWER
GR
OUND
HYD
. OIL
TEMP
.
HOURMETER
TRANS
. TEMP
.
AL
TERNA
T0R
ENGINE OIL
W
ATER
TEMP
.
FUEL GA
UGE
HIGH BEAM (OPTIONAL)
TURN SIGNALS (OPTIONAL)
PARK BRAKE
BA
CK LIGHT
(OPTIONAL)
ST
ABIL-
TRAK
F
G
BOOM EXT
LOCKOUT
RELAY
86
85 87A 87
30
STABIL.
INTERLOCK
RELAY
86
85 87A 87
30
BOOM EXT.
INTERLOCK
RELAY
86
85 87A 87
30
STABIL.
LOCK UP
RELAY
86
85 87A 87
30
PARK
BRAKE
INTERLOCK
RELAY
86
85 87A 87
30
LEFT
OUTRIGGER
LOCK
RELAY
86
85 87A 87
30
CAB
HARNESS
FEMALE
CONNECTOR
C3
A2
C2
C1
B5
C4
B4
A5
B2
C5
B1
A1
B3
A3
61
64
62
63
56
51D
51C
50C
70A
70A
70B
52
52
45B
70B
70C
70C
CAB
GROUND
STUD
2
35
7
7
7
35
2C1
2C2
2C1
71
71
50B
2A2
2A1
2A3
2B2
2B1
2B2
50C
50A
65A
58
2J
58
LOGIC
HARNESS
55
56
35
56A
55
56
66
23
49
67
51
2A
2A
51
51A
63
45A
45A
OUTRIGGER
LOCKOUT
RELAY
86
85 87A 87
30
50A
65B
65A
59A
2B1
50B
2B3
65B
20
CAB
HARNESS
MALE
CONNECTOR
A1
A2
A3
B4
A4
B5
A5
B2
B1
C4
C3
C2
C5
C1
B3
RIGHT
OUTRIGGER
LOCK
RELAY
86
85 87A 87
30
2A1
68
61
59A
2A2
RIGHT
OUTRIGGER
SWITCH
1
2
3
8
1
7
DOWN
UP
LEFT
OUTRIGGER
SWITCH
1
2
3
8
1
7
DOWN
UP
62
64
67
2L1
2L2
60B
60C
60D
60E
60
68
60
2A
60
66
23
2
51B
PARK
BRAKE
DIS.
RELAY
86
85 87A 87
30
61
64
62
63
56
49
2R
A B
PB A
+
-
+
-
PB B
A B
A B
A B
51D
51C
C3
A2
C2
C1
B5
C4
B4
A5
B2
C5
B1
A1
B3
A3
20
2E
2K1
2K2
LEFT
OUTRIGGER
CYLINDER
PRESSURE
SWITCH
A
B
RIGHT
OUTRIGGER
CYLINDER
PRESSURE
SWITCH
A
B
50C
57
57
56
51D
51C
50C
BOOM
EXTEND
SOLENOID
2H
58
2J
2K2
2F
LOGIC
HARNESS
23
23
49
ENGINE
HARNESS
MALE
CONNECTOR
20
ENGINE
HARNESS
FEMALE
CONNECTOR
A1
A2
A3
B4
A4
B5
A5
B2
B1
C4
C3
C2
C5
C1
B3
20
2B
2B
41
41
NOT USED
2E
41B
41A
+
-
+
-
+
-
+
-
OUTRIGGER
VALVE
SOLENOIDS
LEFT
DOWN
LEFT
UP
+
-
RIGHT
DOWN
RIGHT
UP
+
-
+
-
+
-
62
2F
61
2G
63
2E
64
2D
2B
2B
BOOM
EXTEND
SENSOR
C
B
A
2R
23
49
B
A
B
A
2B
41
2E
2G
58
2F
2C2
2B3
51B
51A
2L2
2H
60A
59B
59B
BOOM
EXTEND
INTERLOCK
HARNESS
BLK
WHT
GRN
BLK
WHT
GRN
A
B
C
E
SECONDARY
FUNCTION
MANIFOLD
SOLENOIDS
PARK
BRAKE
SWITCH
E
D
E
1
2
3
4
5
6
7
8
D
1
2
2J
41A
35
OPTION
WIPER/
WASHER
10.0
10.0
STABILIZER
7.5
OPEN
10.0
STEER SELECT
SWITCH
10.0
INSTR. PANEL
15.0
HORN/HEATER
7.5
TRANSMISSION
20.0
LIGHTS 1
A B
A B
C B
A
+
-
BLU
BRN
BLK
C
B
A
A B
A B
+
-
152A
H
152
152
152
152
107
MH4990
For additional
information on
the 10054 Logic
Harness, refer