light LAND ROVER DISCOVERY 1995 Workshop Manual

ELECTRICAL
1
REPAIR FUSE BOX - INTERIOR
Right Hand Drive shown
The interior fusebox is fitted below the steering column, behind the trim panel. It comprises of three integral units.
'A'Main fusebox,'B'Satellite 2,'C'Satellite 1.
A label in the fusebox cover shows the circuits protected, the fuse rating and their locations. Access is by
releasing the fixing screws and lowering the panel.
'A' Main fusebox
1. Stop lights, direction indicators
2. LH side light
3. Radio/cassette/CD player
4. RH headlight main beam
5. LH headlight main beam
6. Cigar lighter
7. Airbag SRS
8. RH side lights
9. Rear fog guard lights
10. RH headlight dipped beam
11. LH headlight dipped beam
12. Multi-function unit
13. Ignition feed for Multi-function unit
14. Instruments, reversing lights
15. Air conditioning, windows
16. Washers & wipers - front
17. Starter, glow plug
18. Wash/wipe - rear, mirrors, cruise control
'B' Satellite 2
1. Electric windows - front
2. Electric windows - rear
3. Anti-lock braking
4. Central door locking
5. Electric sun roof
6. Trailer lights
'C' Satellite 1
1. Anti-theft alarm
2. Headlight washers
3. Engine management
4. Anti-lock brakes
5. Anti-theft alarm
6. Rear air conditioning, heater
'D' Spare fuses (5 off)

86ELECTRICAL
2
REPAIR FUSE BOX - ENGINE COMPARTMENT
The fusebox is located on the right side of the engine compartment. The circuits protected and their locations are
shown on the inside of the fusebox cover. To change a main circuit fuse prise off protective cover A and remove
retaining screws.
Fuses
1. Heated rear window
2. Sidelights
3. Air conditioning
4. Hazard warning lights, horn
5. ABS valve
6. Fuel pump
7. Fuel injectors
A Main circuit fuses
8. ABS pump
9. Ignition circuits
10. Lighting
11. Window lift, central door locking, rear blower
12. Heater, air conditioning
13. Generator

86ELECTRICAL
6
REPAIR Refit
NOTE: If a new distributor is being fitted,
mark body in same relative position as
distributor removed.
8.Leads for distributor cap should be connected as
illustrated.
Figures 1 to 8 inclusive indicate plug lead
numbers.
RH-Right hand side of engine, when viewed
from rear.
LH-Left hand side of engine, when viewed from
rear.
9.If engine has not been turned while distributor
has been removed, carry out instructions 10. to
17. Alternatively proceed to instruction 18.
10.Fit new 'O' ring seal to distributor housing.
11.Turn distributor drive until centre line of rotor arm
is 30Ê anti-clockwise from mark made on top
edge of distributor body.
12.Fit distributor in accordance with alignment
markings.
NOTE: It may be necessary to align oil
pump drive shaft to enable distributor
drive shaft to engage in slot.
13.Fit clamp and bolt. Secure distributor in exact
original position.
14.Connect vacuum hose to distributor and low
tension lead to coil.
15.Fit distributor cap.
16.Reconnect battery.
17.Using suitable electronic equipment, set ignition
timing.
See Adjustment, Ignition timing
18.If engine has been turned with distributor
removed, carry out instructions 19 to 30.
19.Set engine-No. 1 piston to static ignition timing
figure
See ENGINE TUNING DATA,
Information, Engine 3.9 V8i
20.Turn distributor drive until rotor arm is
approximately 30Ê anti-clockwise from number
one sparking plug lead position on cap.
21.Fit distributor to engine.
22.Check that centre line of rotor arm is now in line
with number one sparking plug lead on cap.
Reposition distributor if necessary.
23.If distributor does not seat correctly in front
cover, oil pump drive is not engaged. Engage by
lightly pressing down distributor while turning
engine.
24.Fit clamp and bolt, do not tighten.
25.Set ignition timing statically to 6Ê B.T.D.C.
26.Connect vacuum hose to distributor.
27.Fit low tension lead to coil.
28.Fit distributor cap.
29.Reconnect battery.
30.Using suitable electronic equipment set the
ignition timing.
See Adjustment, Ignition
timing

ELECTRICAL
7
REPAIR AUTOMATIC GEAR SELECTOR-PANEL BULB
Service repair no - 86.45.40
1.Disconnect battery negative lead.
2.Carefully prise quadrant finisher out of surround.
3.Carefully prise rear of surround away from
centre console.
4.Pull appropriate bulb holder from fitted position.
5.Remove bulb from holder.
Refit
6.Reverse removal procedureSTART INHIBIT / REVERSE LIGHT SWITCH
Service repair no - 44.15.19
Automatic gearbox
Remove
Reverse light switch is an integral part of start inhibitor
switch. It is located on left hand side of gearbox,
accessible from beneath vehicle.
1.Place vehicle on suitable ramp [hoist].
2.Disconnect battery negative lead.
3.Disconnect multi-plug.
4.Release clamp bolt, remove clamp.
5.Remove switch.
Refit
6.Fit a NEW 'O' ring to switch.
7.Reverse removal procedure.

ELECTRICAL
11
REPAIR HANDSET INITIALISATION
NOTE: New handsets are supplied in pairs.
If a new handset is required, it will require
initialisation to the ECU using the
following procedure:
1.Starting conditions: ignition off, doors unlocked,
bonnet switch depressed.
2.Carry out instructions 3. to 9. within 8 seconds.
3.Switch ignition ON.
4.Switch ignition OFF.
5.Lock doors.
6.Unlock doors.
7.Release bonnet switch.
8.Switch ignition ON.
9.Switch ignition OFF.
If alarm is correctly accessed, horn will sound and
LED will light. It is now possible to programme two
handsets of correct frequency to vehicle alarm ECU.
This must be carried out within two minutes.
10.Press and hold down button on first handset until
dash LED flashes.
11.Repeat instruction 10. for second handset.
12.The LED will extinguish if both handsets have
been initialised correctly.CENTRAL DOOR LOCKING
Where electrically operated central door locking is
fitted, locking or unlocking the drivers door from
outside by key operation, or from the inside with the
sill knob automatically locks or unlocks the passenger
and rear doors.
Front and rear passenger doors can be independently
locked or unlocked from inside the vehicle by sill knob
operation but can be overidden by further operation of
the driver's door locking control.
On rear doors, where side facing fold down seats are
fitted, a child safety lock is provided which can be
mechanically pre-set to render the interior door
handles inoperative.
Failure of a door actuator will not affect the operation
of the remaining doors and the door with the
inoperative actuator can still be locked or unlocked
manually.
The actuator unit fitted to the driver's door is the
master actuator and is identified from the actuators
fitted to the passenger and rear doors by having a
white connecting link, whereas the passenger and
rear door actuators have grey coloured connecting
links.
NOTE: Actuator units are non-servicable, if
a fault should occur replace the unit with a
new one.

ELECTRICAL
15
REPAIR Refit
9.If removed fit the mounting plate to the actuator.
10.Engage the actuator operating rod with hooked
end of the actuator link.
11.Fit the actuator and mounting plate to the door
and loosely secure with the four screws.
12.Set the mounting plate with the screws in the
centre of the slotted holes, then tighten the
screws.
13.Connect the actuator lead to the door harness.
14.Reconnect battery negative lead.
15.With the sill locking button held in position, set
the bellcrank to approximately the position it
would be in if the sill button was depressed to
half of its total movement.
16.At this setting check the electrical operation of
the door lock. Adjust the mounting plate as
necessary to achieve the correct setting. Fully
tighten the securing screws on completion.
17.Refit the vapour barrier.
18.Connect the sill button operating rod to the
bellcrank, hold in position, fit the door trim panel
and the door pull.
BULB REPLACEMENT
For bulb type and rating refer to rating shown on the
bulb or bulb replacement list.
See GENERAL
SPECIFICATION DATA, Information, Bulbs
HEADLIGHT
Service repair no - 86.40.02/13
Remove
1.Rotate three retaining clips 10 degrees, to align
with slots in headlight mounting plate.
2.Withdraw light unit
NOTE: Detach adjustment operating rod
on vehicles fitted with headlight levelling.3.Disconnect electrical multiplugs and remove
headlight unit.
4.Release spring clips and withdraw headlight
bulb.
Key
1. Headlight
2. Retaining clips
3. Bulb
4. Spring clip
5. Cover
6. Bulb sidelight
7. Plug
8. Plug sidelight
Refit
5.Reverse removal procedure.

86ELECTRICAL
16
REPAIR SIDELIGHT BULB
Service repair no - 86.40.33
Remove
1.Remove headlight,
See Headlight
2.Disengage bulb holder by twisting a quarter turn
anti-clockwise.
3.Withdraw bulb from holder.
Refit
4.Reverse removal procedure.FRONT DIRECTION INDICATORS
Service repair no - 86.40.41
Remove
1.Pull spring clips, release from location and lift out
direction indicator unit.
2.Turn bulb holder anti-clockwise to release from
indicator unit.
3.Push and twist the bulb to remove.
Refit
4.Reverse removal procedure. When replacing
light unit, locate the two lugs at the bottom of the
lens before re-engaging spring clips.

ELECTRICAL
17
REPAIR REAR LIGHT UNIT
Service repair no - 86.40.74
Remove
1.Pull out side facing seat or pocket cover.
2.Unscrew fastener and remove access panel.
3.Disconnect wiring harness multi-plug from light
unit.
4.Remove retaining nuts and withdraw light unit
from rear of vehicle.
Key
1. Access panel
2. Multiplug
3. Retaining nut
4. Bulb holder
5. Bulb
Refit
5.Reverse removal procedure. Ensure that the
rubber seal is seated correctly.STOP, REVERSING, FOG GUARD BULBS
Service repair no - 86.40.74
Remove
1.Pull out side facing seat or pocket cover.
2.Unscrew fastener and remove access panel.
3.Turn bulb holder anti-clockwise to release.
4.Remove bulb.
NOTE: On vehicles fitted with rear air
conditioning remove access panel
housing rear loadspace light to gain
access.
Key
1. Access panel
2. Multiplug
3. Retaining nut
4. Bulb holder
5. Bulb
Refit
5.Reverse removal procedure.

86ELECTRICAL
18
REPAIR REAR LIGHTS, BUMPER MOUNTED
Service repair no - 86.41.42
Remove
1.From behind bumper disconnect light plugs.
2.Unscrew two retaining nuts and remove light unit
from bumper.
Refit
3.Reverse removal procedure.
NOTE: The black lead plug fits into the
direction indication light, the white lead
plugs into the tail light, the bulb holder
being colour coded red.DIRECTION INDICATOR, TAIL LIGHT BULBS
Service repair no - 86.41.43
Remove
1.Turn bulb holder anti-clockwise to release from
light unit.
2.Push and twist the bulb to remove.
Refit
3.Reverse removal procedure.

ELECTRICAL
19
REPAIR NUMBER PLATE LIGHTS
Service repair no - 86.40.86
Remove
1.Remove two screws and withdraw light unit.
2.Disconnect wiring leads and remove light unit.
3.Remove bulb.
Refit
4.Reverse removal procedure.DOOR EDGE LIGHT
Service repair no - 86.40.35
Remove
1.Pry lens from housing.
2.Disconnect wiring leads and remove light unit.
3.Remove bulb.
Refit
4.Reverse removal procedure.