Ef g, Ab c – SkyTrak 8042 Service Manual User Manual
Page 698
9.107
Model 8042, 10042, 10054 Legacy
Rev. 10/03
Electrical System
9.7.29
10054 Logic Harness & Boom Extend Interlock Harness Electrical Schematic
(SN 19080 - 19987 And 0160002332 & After)
C3
A2
C2
C1
B5
C4
B4
A5
B2
C5
B1
A1
B3
A3
A4
C3
A2
C2
C1
B5
C4
B4
A5
B2
C5
B1
A1
B3
A3
A4
NOT USED
41B
107A
E
D
E
1
2
3
4
5
6
7
8
D
1
2
152B
3
3C
3
3A
OPTION
H
152A1
7.5
OUTRIGGER
CYLINDERS
3B
56A
49
60A
7.5
OUTRIGGER
SWITCHES/
BOOM SENSOR
3A
3A
3B
D
1
2
1
2
1
2
1
2
OUTRIGGER
VALVE
SOLENOIDS
LEFT
DOWN
LEFT
UP
1
2
RIGHT
DOWN
RIGHT
UP
1
2
1
2
1
2
PARK
BRAKE
INTERLOCK
RELAY
86
85 87A 87
30
70A
70A
70B
52
2B2
51A
60A
E
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
LEFT
OUTRIGGER
LOCK
RELAY
86
85 87A 87
30
CAB
HARNESS
FEMALE
CONNECTOR
61
64
62
63
56
51D
51C
50C
70B
70C
70C
CAB
GROUND
STUD
2J
2
35
7
7
7
35
2C1
2C2
2C1
71
71
50B
2A2
2A1
2A3
2B3
2B2
50C
50B
65A
58
2J
58
LOGIC
HARNESS
55
56
35
56A
55
56
66
23
49
67
51
2A
2A
51
63
45A
71A
65A
RIGHT
OUTRIGGER
LOCK
RELAY
86
85 87A 87
30
2A1
68
61
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
+
-
61
64
62
63
56
49
2R
A B
PB A
+
-
+
-
PB B
A B
A B
A B
51D
51C
2K1
2K2
LEFT
OUTRIGGER
CYLINDER
PRESSURE
SWITCH
A
B
RIGHT
OUTRIGGER
CYLINDER
PRESSURE
SWITCH
A
B
50C
57
57
56
51D
51C
50C
2H
58
2J
2K2
LOGIC
HARNESS
23
23
49
2B
2B
41
41
NOT USED
2E
41B
41A
62
2F
61
2G
63
2E
64
2D
2B
2B
BOOM
EXTEND
SENSOR
+
-
BLU
BRN
BLK
C
B
A
2R
23
49
B
A
B
A
2B
41
2E
2G
58
2F
2C2
2B3
51B
51A
2L2
2H
71B
71B
C
B
A
BOOM
EXTEND
INTERLOCK
HARNESS
BLK
WHT
GRN
BLK
WHT
GRN
BOOM
EXTEND
SOLENOID
SECONDARY
FUNCTION
MANIFOLD
SOLENOIDS
NOT USED
52
45B
45A
51B
PARK
BRAKE
DIS.
RELAY
86
85 87A 87
30
A
B
C
107B
152A1
PARK
BRAKE
SWITCH
41A
41A
35
10.0
INSTR. PANEL
15.0
HORN/HEATER
10.0
STEER SELECT
SWITCH
10.0
STABILIZER
OPTION
WIPER/
WASHER
10.0
7.5
OPEN
7.5
TRANSMISSION
20.0
LIGHTS 1
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
152A3
152A
152A2
C B
A
C B
A
A B
A B
A B
A B
ENGINE
HARNESS
MALE
CONNECTOR
CAB
GROUND
STUD
2MM
20A
20A
20A
20A
20B
ENGINE GROUND BUSS BAR
20C
20B
20C
20B
71A
LIGHT
SWITCH RELAY
7.5
MH4750
For additional
information on
the 10054 Logic
Harness, refer
to Section
= See Pages 9.102 or 9.103