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Section F
Transmission
33 - 5
Electrical Connections
Powershift Gearbox - 6 Speed
Electrical Connections - Quick Reference
The tables show live connector pins and also relevant earth
destinations for given gearbox functions/systems as follows:
ECU feeds and earths (see previous pages)
Transmission Dump (see previous pages)
Park Brake ON (Transmission Dump) (see previous
pages)
1, 2, 3, 4(A), 5(A), 6(A) Forward
Neutral
1, 2, 3, 4 Reverse
The information is intended as an aid when checking for
faulty wires or connectors by means of continuity tests using
a multimeter. DO NOT use a multimeter on the ECU
connector pins (connectors A and B). Only test the
associated wiring, uncouple connectors GB and GC and
then use a multimeter at the pins inside these connectors as
applicable. Use the ShiftMaster Diagnostics system to
identify possible faults with the ECU See Powershift
Gearbox - 6 Speed, ShiftMaster Diagnostics - User
Guide.
Remember that any interconnecting harness connectors are
not shown here. For full details see the relevant expanded
harness schematic in this section.
B
E.C.U. B
A
GB
1
1
2
E.C.U. A
2
G
A408710
9808/3280
www.WorkshopManuals.co.uk
Diagram X
The diagram X (opposite) shows the electrical circuit for the
gearbox control. It is shown with 1st gear reverse selected.
'Live feed' wires are coloured red and feed to earth are
green.
Key
A
Gearbox solenoids
C50
Reverse alarm
CM
Park brake warning light relay
DW
Park brake switch
DZ
Park brake relay
FL
Column switch
FG1
Transmission dump relay
FG2
Reverse alarm relay
GB
Harness connector - ECU 'A'
GC
Harness connector - ECU 'B'
GG
Throttle switch
LE
Kick down switch
NG
Transmission dump switch
GC
2
1
1
2
3
F
E
I
J
A
FL
12
1
9
2
5
3
13
A
1
2
3
4
5
6
7
4
F
6
N
8
9 10 11
R
10
H
6
12 13 14
Purchased from www.WorkshopManuals.co.uk
X
FROM PARKBRAKE
WARNING LIGHT
FROM IGNITION
RELAY 1
9
10
FUSE A5
107
FOR / REV
FL
SWITCH
4
F
FB1
11
12
7
6
N
R
10
FUSE A6
12
1
9
2
14
5
3
A
13
FL
GEAR
SELECTOR
13
16
136
FUSE A7
107
FG1
F
N
R
14
7
TO NEUTRAL
START RELAY
PARKBRAKE RELAY
815
CM
DZ
C50
REV ALARM
FG2
847
808
C17
3
SPEED
SENSOR
30
PARKBRAKE
7
FORWARD
809
28
NEUTRAL
38
REVERSE
808
18
883
1st GEAR
8
856
2nd GEAR
27
857
3rd GEAR
17
858
AUTOMATIC
2
BANK 2 +VE
ECU
1
ECU + FEED
1856
4
BANK 1 +VE
B
NG
A
934
37
DUMP RELAY
1873
LE
39
KICKDOWN
992
1
2
19
THROTTLE
991
1
2
GG
SWITCH
26
36
GB
Section F
33 - 5
DW
3
1
2
P/BRAKE SWITCH
936
REVERSE ALARM
REVERSE ALARM
RELAY
1
SPEED SENSOR
2
3
A
24
1
2
'T' SOLENOID
1860
F
6
1
2
1861
'U' SOLENOID
E
20
1
2
'V' SOLENOID
1862
J
23
1
2
'W' SOLENOID
1863
I
12
1
2
'X' SOLENOID
1864
6
15
1
2
'Y' SOLENOID
1865
G
4
1
2
'Z' SOLENOID
1866
H
13
-VE
10
1876
GC
-VE
-VE
A409290
Issue 1
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