Transmission
Electrical Connections
Section F Section F
9808/3280
Issue 1
33-5
33-5
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.
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
Powershift Gearbox - 6 Speed
E.C.U. B
E.C.U. A
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