Land Rover Defender V8i Electrical Library Rover Manual

DESCRIPTION AND OPERATION
4.30
DEFENDER V8i
The RH side of the vehicle operates in much the same way. Fuse 12 (C581-4)
supplies a feed to the RH front side lamp (C537-2) on a red/orange wire. The
side lamp is earthed (C537-1) is earthed on a black wire. Connected in parallel
with the side lamp is the trailer pick-up (C1144-1), which is also supplied a feed
on a red/orange wire. The trailer pick-up (C1144-2) is connected to the RH tail
lamp (C125-3), again on a red/orange wire. The lamp is earthed...

DESCRIPTION AND OPERATION
DEFENDER V8i4.31
Main Beam
When the column switch is moved to the main beam position, current flows
from the switch (C36-5) to fuses 9 and 10 (C580-17) of the passenger
compartment fuse box, and the main beam warning lamp (C230-6) in the
instrument pack. All are connected by blue/white wires.
Fuse 9 (C580-18) supplies a feed to the RH headlamp main beam bulb (C11-1)
on a blue/orange wire. Fuse 10 (C580-20) supplies a feed to the LH headlamp
main beam bulb (C9-1) on a blue/slate...

DESCRIPTION AND OPERATION
4.32
DEFENDER V8i
EXTERIOR LAMPS - Headlamp Levelling
DESCRIPTION
To prevent dazzling oncoming drivers, the headlamps can be adjusted to
compensate for the effect of different loads on headlamp vertical alignment.
Headlamp levelling is controlled by a four position switch mounted in the centre
of the fascia, which operates a levelling motor on each headlamp. Nominal
vehicle loads for each switch position are as follows:
·0 - Driver or driver and front passenger only; no...

DESCRIPTION AND OPERATION
DEFENDER V8i4.33
EXTERIOR LAMPS - Rear Fog Lamps
DESCRIPTION
The rear fog lamps only operate when the headlamps are illuminated and the
ignition switch is in position II. The non- latching switch is positioned to the
right of the steering column, adjacent the HRW switch. When the rear fog
lamps are switched on, the instrument pack warning lamp also illuminates. The
fog lamps are automatically switched off every time the ignition is turned off.
OPERATION
Feed from the positive...

DESCRIPTION AND OPERATION
4.34
DEFENDER V8i
The rear fog guard lamp ECU (C543-4) is connected to the rear fog guard lamp
switch (C64-2) by a red/slate wire. When the switch is depressed momentarily,
it provides an earth (C64-3) on a black wire. The fog guard lamp ECU is also
earthed (C543-1) directly on a black wire. When the ECU senses the second
earth via the switch, it provides a feed (C543-3) to the instrument pack warning
lamp (C230-1), the RH rear fog guard lamp (C512-1), and the LH rear fog
guard...

DESCRIPTION AND OPERATION
DEFENDER V8i4.35
EXTERIOR LAMPS - Indicators / Hazard Warning Lamps
DESCRIPTION
The indicators are controlled from the steering column switch and operate
when the ignition switch is in position II.
The hazard lamp switch is located to the right of the steering column, adjacent
the rear fog lamp switch. Hazard operation is not dependent on the position of
the ignition switch. When the hazard switch is depressed, both left and right
hand indicator lamps flash.
OPERATION
Feed from...

DESCRIPTION AND OPERATION
4.36
DEFENDER V8i
Left Turn
Moving the column switch to the left turn position, allows power to flow across
the switch (C36-4) to:
·The LH trailer pick-up (C1149-1).
·The LH rear indicator lamp (C928-2).
·The LH front indicator lamp (C1-2).
·The LH side repeater lamp (C13-1).
·The LH indicator instrument pack warning lamp (C230-5).
All are supplied a feed on green/red wires, and earthed on black wires. With
the flasher circuit complete, the flasher unit commences opening and...

DESCRIPTION AND OPERATION
DEFENDER V8i4.37
Hazards
The hazard warning switch (C96-7) is supplied with a permanent battery feed
from fuse 5 of the engine compartment fuse box (C574-3) on a brown/purple
wire. Pressing the switch to the on position allows power to flow across the
switch (C96-5) to the direction indicator relay (C536-6) on a light green wire.
The energised relay is now able to provide a feed (C536-8) for both the LH and
RH indicator circuits on a light green/brown wire. The relay is...

DESCRIPTION AND OPERATION
4.38
DEFENDER V8i
INTERIOR LAMPS
DESCRIPTION
The Defender 50LE is provided with two interior lamps, one in the front and one
in the rear of the vehicle. Both lamps can be switched on manually using their
integral switches. If any door, including the tail door are opened, the lamps will
illuminate.
The lamps are controlled by the Alarm ECU. The ECU contains a time out
feature which switches off the interior lamps after eight minutes if any door is
left open, thus preventing...

DESCRIPTION AND OPERATION
DEFENDER V8i4.39
The front interior lamp works on the same principle.
Fuse 2 of the passenger compartment fuse box (C580-4) supplies a feed to the
front interior lamp (C355-3) on a purple wire. The front interior lamp has an
integral switch. With this switch in the normal (central) position, the lamp is
earthed (C355-1) via the Alarm ECU (C61-1) on a purple/white wire. The Alarm
ECU will only provide an earth path for the lamp if either of the front doors or
the tail door are...