Service Manual
10.31
Model 8042, 10042, 10054 Legacy Rev. 10/03
Stabil-TRAK™ System and Boom Interlock System
10054 Stabil-TRAK™ Electrical Circuit
SN 17985-19987 And 0160002332 & After
Boom Extend Mode 1
MODE 1
1.
Ignition “ON”
4.
PB Released
Conditions
2.
Boom Below 40°
5.
Transmission in Fwd. or Rev.
3. Boom Retracted 6.
Outriggers Raised
Right
Outrigger
UP
Solenoid
Right
Outrigger
DOWN
Solenoid
Left
Outrigger
UP
Solenoid
Left
Outrigger
DOWN
Solenoid
Secondary
Function
Manifold
Park
Brake
Solenoids
23
2R
Lower
Transmission
Connectors
Upper
Transmission
Connectors
ZF Transmission WG 98
Y6 Y5 Y4
Y1 Y3 Y2
6
5
4
7
7
1
2
3
Y4Y5Y6
Y1 Y3 Y2
102B
2H
150B
101B
105B
104B
103B
2J
To
Back-Up
Alarm
31
150
103
102
104
105
101
150
103
104
102
105
101
150
103
104
2DD104A 150A
103A 102A
101A
10A
To
Fuel
Shutoff
1
2
+ +
40A
1
3C
7.5A
Park
Brake
Disengage
Relay
153A
45
Park
Brake
Switch
Ignition Switch
26A
51D51C
51
111
113A
113B
111
113
2CC
2AA
35
10A
7
39
SHIFTER
ZF
TRANSMISSION
9
8
7
6
5
4
3
2
1
FORWARD
NEUTRAL
REVERSE
GEAR
GEAR
GEAR
GEAR
B+
B+
153
105
101
150
103
104
102
112
113
102
45
114
112
114A
24
10A
34
2BB
2EE
DE
O
153
102B
112
113
2D
CONSOLE/
STABILIZER
& ENGINE
HARNESS
CONNECTORS
E
2HH
24A
To
Horn
114B
10
114A
FORWARD
REVERSE
F
N
R
Back-Up
Alarm
Relay
86
85
87A 87
30
86
85
87A 87
30
PB B PB A
48
SOL.
3
47
40B
Stabilizer
Lock
Relay
86
85
87A 87
30
Boom
Switch
Relay
86
85
87A 87
30
47
28
SOL.
4A
SOL.
4B
SOL.
12A
SOL.
12B
40
28B
47B
28A
47A
40
1
40A
2M
2L
2N
2P
2K
DE
DE
E
DIODE PACKDIODE PACK
45
2T
7.5A
E
C
52
41B
45A2
152A1
107B
40
47
28
28
42A
102A
105
105A
101
7.5A
3B 3
3
3C
3A 3B
7.5A 7.5A
Right
Outrigger
Cylinder
Pressure
Switch
Left
Outrigger
Cylinder
Pressure
Switch
60A
45B
45A
2K22K1
51B
51A
Park
Brake
Interlock
Relay
86
85
87A 87
30
70A
Stabilizer
Interlock
Relay
86
85
87A 87
30
Stabilizer
Lock-Up
Relay
86
85
87A 87
30
2C1
2C2
70C
2E2D
2H
64
58
56A
56
7
35
Right
Outrigger
Switch
Left
Outrigger
Switch
60
60B 60E
64
62
71
50B
Boom
Extend
Interlock
Relay
86
85
87A 87
30
71
66
Boom
Extend
Lockout
Relay
86
85
87A 87
30
65A
2B2
2B3
50C
55
58
57
56
2G2F
62
61
Right
Outrigger
Lock
Relay
86
85
87A 87
30
63
Left
Outrigger
Lock
Relay
86
85
87A 87
30
2B3
71B
68
2A3
2A1
50C
2A2
2B2
56
70B
DE
C
49
67
C
DE
DE
E
E
DE
DE
DE
O
50B
LEGEND
= De-energized
= Energized
= Open
= Closed
= Active Circuit (Heavy Line)
= Inline Harness Connection
= Component/Bulkhead Connection
DE
E
O
C
1
152A3
152A
152A2
DE
71A
65A
E
152B
E
RELAY LOCATIONS
DE
E
10
Light
Switch
Relay
Lights 1
Headlight
Switch
Relay
Park Brake
Disengage
Relay
Open Fuse
Transmission
Optional
Washer/Wiper
Stabilizer
Steer Select
Switch
Horn/Heater
Instrument
Panel
Main
7.5
Light Swtch
Relay
Neutral
Start
Relay
Stabilizer
Lock
Relay
Back-up
Alarm
Relay
Boom
Switch
Relay
7.5
20
7.5
10
10
15
10
40
DE
E
Stabilizer
Interlock
Relay
DE
Park Brake
Interlock
Relay
DE
Boom/Outrigger
Interlock
7.5
Boom/Outrigger
Interlock
7.5
Stabilizer
Lock Up
Relay
DE
Boom
Extend
Lockout
Relay
E
Boom
Extend
Interlock
Relay
E
Right
Outrigger
Lock
Relay
DE
Left
Outrigger
Lock
Relay
DE
Park Brake
Light
Stabilizer
Light
BLU
BRN
BLK
CBA
+
-
Boom
Angle
Sensor
BLU
BRN
BLK
CBA
+
-
Boom
Extend
Interlock
Sensor
Extend
Circuit
Solenoid
Val v e
MH5861