1996 LAND ROVER DEFENDER Workshop Manual

86ELECTRICAL
24
REPAIRREV: 05/99 HEADLAMP BEAM ALIGNMENT
Service repair no - 86.40.17
Check
Check main beam alignment using beam setting
equipment. Should this not be available the beam can
be temporarily checked and adjusted as follows:-
1.Position vehicle, unladen, on level ground with
tyres correctly inflated, approximately 4 metres
from a wall or screen, marked as illustrated
below.
2.The beam centres 'A' are measured horizontally
on the vehicle and dimension 'B' vertically from
the ground.
3.Switch on main beam and adjust setting, as
necessary, with trimmer screws.On vehicles fitted with headlamp levelling units, check
and adjust headlamp beam alignment as previously
described, with fascia mounted levelling switch at
position '0'. The headlamps can then be adjusted,
according to load conditions, as follows:-
Position '0' - Driver only, or driver and all front seats
occupied (loadspace empty).
Position '1' - All seats occupied (loadspace empty).
Position '2' - All seats occupied by adults and
loadspace loaded to maximum rear axle weight.
Position '3' - Driver only with loadspace loaded to
maximum rear axle weight.

ELECTRICAL
25
REPAIR DIGITAL DIESEL SHUT-OFF VALVE (DDS)
Service repair no - 86.77.00
Remove
1.Remove fuel injection pump
See FUEL
SYSTEM, Repair, Fuel injection pump.
2.Drill out 2 shear bolts securing DDS valve and
clamp, using a 3.2 mm drill, to a depth of
approximately 5 mm.
CAUTION: Use a drill bushing to guide the
drill.
3.Using an extractor, remove the 2 DDS valve
retaining bolts and discard.
4.Release DDS valve from fuel shut-off solenoid.
5.Remove protective cap from shut-off solenoid.
6.Unscrew terminal nut, release terminal lead
eyelet and remove DDS valve.7.Remove protective cap retainer and release
DDS valve clamp from behind fuel shut-off
solenoid.
Refit
8.Position DDS valve clamp behind fuel shut-off
solenoid and fit protective cap retainer.
9.Fit DDS terminal lead to fuel shut-off solenoid.
Tighten nut to
2 Nm (1.5 lbf/ft).
10.Fit protective cap to fuel shut-off solenoid,
ensuring terminal lead is correcly routed on RH
side of cap.
11.Secure DDS valve to fuel cut-off solenoid and
clamp. Tighten new shear bolts progressively
until heads shear.
12.Fit fuel injection pump
See FUEL SYSTEM,
Repair, Fuel injection pump.

INSTRUMENTS
1
REPAIR INSTRUMENT PANEL
Service repair no - 88.20.02
Remove
1.Disconnect battery.
2.Remove 4 screws securing instrument panel to
fascia cowl.
3.Pull instrument panel away from fascia sufficent
to disconnect speedometer cable.
4.Disconnect multi-plugs, electrical leads and
connections to vehicle alarm system, if fitted
See ELECTRICAL, Repair, Vehicle
immobilisation and alarm system
.
5.Withdraw panel, complete with instruments.
Refit
6.Offer up instrument panel, connect multi-plugs,
electrical leads and connections to vehicle alarm
system, if fitted
See ELECTRICAL, Repair,
Vehicle immobilisation and alarm system
.
7.Connect speedometer cable.
8.Secure instrument panel.
9.Reconnect battery.SPEEDOMETER
Service repair no - 88.30.01
Remove
1.Remove 4 screws securing instrument panel to
fascia cowl.
2.Pull instrument panel away from fascia sufficent
to disconnect speedometer cable.
3.Release both bulb holders from speedometer.
4.Unscrew 2 knurled nuts and remove clamps
securing speedometer.
5.Wihdraw speedometer from instrument panel.
Refit
6.Fit speedometer into instrument panel and
secure with clamps.
7.Fit bulb holders to speedometer.
8.Connect speedometer cable.
9.Secure instrument panel to fascia cowl.

88INSTRUMENTS
2
REPAIR FUEL AND TEMPERATURE GAUGE
Service repair no - 88.25.26 - Fuel gauge
Service repair no - 88.25.14 - Temperature gauge
Remove
1.Remove instrument panel
See Instrument
panel
.
2.Release illumination bulb holder and disconnect
electrical leads from gauge.
3.Unscrew knurled nut and remove clamp
securing gauge.
4.Remove earth lead eylet from gauge stud.
5.Withdraw gauge from instrument panel
Refit
6.Fit gauge into instrument panel, locate earth
lead, and secure with clamp.
7.Fit bulb holder and electrical leads.
8.Fit instrument panel
See Instrument panel.CLOCK - FASCIA PANEL
Service repair no - 88.15.07
Remove
1.Remove 4 screws securing instrument panel to
fascia cowl.
2.Pull panel away fom fascia sufficient to
disconnect speedometer cable.
3.Disconnect electrical leads and bulb holder from
clock.
4.Unscrew knurled nut and remove clamp
securing clock.
5.Remove clock from instrument panel.
Refit
6.Fit clock into instrument panel and secure with
clamp.
7.Fit bulb holder and electrical leads.
8.Connect speedometer cable.
9.Secure instrument panel to fascia cowl.

INSTRUMENTS
3
REPAIR CLOCK - CENTRE DASH PANEL
Service repair no - 88.15.07
Remove
1.Remove 2 screws and withdraw switch panel
from centre dash.
2.Release illumination bulb holder and disconnect
electrical leads from clock.
3.Press in spring retainers and remove clock from
panel.
Refit
4.Fit clock into dash panel.
5.Fit electrical leads and bulb holder.
6.Secure switch panel to centre dash.WARNING LIGHT PANEL
Service repair no - 88.20.18
Remove
1.Remove 2 screws and withdraw warning light
panel.
2.Disconect both multi-plugs.
3.Disconnect illumination bulb leads.
4.Remove warning light panel.
Refit
5.Fit illumination bulb leads and multi-plugs to
warning light panel.
6.Secure warning light panel to instrument panel.

88INSTRUMENTS
4
REPAIR PRINTED CIRCUIT - WARNING LIGHT PANEL
Service repair no - 88.20.20
Remove
1.Remove warning light panel
See Warning light
panel
.
2.Remove 13 illumination bulb holders from light
panel.
3.Release printed circuit from locating pins and
remove from panel seatings.
Refit
4.Fit new printed circuit over panel seatings and
position on locating pins.
5.Fit illumination bulbs to secure circuit.
6.Fit warning light panel
See Warning light
panel
.FUEL GAUGE TANK UNIT - REAR FUEL TANK,
110/130
Service repair no - 88.25.30
WARNING: Ensure that fuel handling
precautions given in Section 01 -
Introduction are strictly adhered to when
carrying out the following instructions.
Remove
1.Disconnect battery.
2.Remove fuel filler cap.
3.Remove tank drain plug, allow fuel to drain into a
clean container, and refit plug.
4.On LH side of tank, disconnect fuel supply pipe
from outlet pipe on fuel gauge unit.
5.Disconnect electrical plug from fuel gauge unit.
6.Release locking ring and withdraw fuel gauge
unit from tank, complete with sealing ring.
Refit
7.Insert gauge unit into tank with float positioned to
base of tank. Fit new sealing washer, if
necessary.
8.Secure gauge unit with locking ring.
9.Fit electrical plug and reconnect fuel supply pipe.
10.Refill fuel tank.
11.Reconnect battery.

INSTRUMENTS
5
REPAIR FUEL GAUGE TANK UNIT - SIDE FUEL TANK
Service repair no - 88.25.31
WARNING: Ensure that fuel handling
precautions given in Section 01 -
Introduction are strictly adhered to when
carrying out the following instructions.
Remove
1.Disconnect battery.
2.Remove RH front seat cushion.
3.Release retaining catch and remove seat base
cover to gain access to fuel tank.
4.Disconnect electrical plug from fuel gauge unit.
5.Release locking ring and withdraw fuel gauge
unit from tank, complete with sealing ring.
Refit
6.Insert gauge unit into tank with float positioned
towards front of tank. Fit new sealing washer, if
necessary.
7.Secure gauge unit with locking ring.
8.Fit electrical plug.
9.Fit seat base cover and seat cushion.
10.Reconnect battery.