Land Rover Defender 1999 Td5 Electrical Library Rover Manual

DESCRIPTION AND OPERATION
DEFENDER 1999 MY4.27
EXTERIOR LAMPS - Head, Side and Number Plate Lamps
DESCRIPTION
The lights are operated from the lighting switch located on the steering column.
The lighting switch has two positions. Position I switches on the tail lamps, the
number plate lamps, and the front side lamps. Position II additionally switches
on the front headlamps. When the headlamps are on, the column switch can be
used to switch between main beam and dipped beam.
The headlamps can be flashed...

DESCRIPTION AND OPERATION
4.28
DEFENDER 1999 MY
The RH side of the vehicle operates in much the same way. Fuse 12 (C0581-4)
supplies a feed to the RH side lamp (C0537-2) on a red/orange wire. The lamp
(C0537-1) is earthed on a black wire. Connected in parallel with the RH side
lamp is the RH tail lamp (C0125-3). The tail lamp is supplied a feed on a
red/orange wire, and earthed (C0125-1) on a black wire.
Fuse 12 also supplies a feed to the side lamp warning lamp in the instrument
pack (C0233-20) and the...

DESCRIPTION AND OPERATION
DEFENDER 1999 MY4.29
Main Beam
When the column switch is moved to the main beam position, current flows
across the switch (C0036-5) to fuse 17 and fuse 18 in the passenger
compartment fuse box (C0581-13) on a blue/white wire. Fuse 17 (C0581-14)
supplies a feed to the RH headlamp main beam bulb (C0011-1) on a
blue/orange wire. The bulb (C0011-3) is earthed on a black wire. Fuse 18
(C0581-16) supplies a feed to the LH headlamp main beam bulb (C0009-1) on
a blue/slate wire. The...

DESCRIPTION AND OPERATION
4.30
DEFENDER 1999 MY
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 1999 MY4.31
At each of the four switch positions, the contacts in the headlamp levelling
switch connect to a different resistance value to provide one of four different
output voltages. The output voltage (C0093-2) is supplied to the LH (C0071-1)
and RH (C0070-1) levelling motors on blue/yellow wires. The LH (C0071-2)
and RH (C0070-2) headlamp levelling motors are earthed on black wires.
The difference between the voltage from the headlamp levelling switch and
battery...

DESCRIPTION AND OPERATION
4.32
DEFENDER 1999 MY
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 adjacent
to the HRW switch on the dash panel. 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 battery positive...

DESCRIPTION AND OPERATION
DEFENDER 1999 MY4.33
The rear fog guard lamp ECU (C543-4) is connected to the rear fog guard lamp
(C0064-2) on a black/slate wire. When the rear fog guard lamp switch is
depressed, it creates a momentary earth path back through the rear fog guard
lamp ECU. When the rear fog guard ECU registers this second earth, it
supplies a feed (C0543-3) to the following components on red/yellow wires.
·The rear fog guard warning lamp in the instrument pack (C0233-4).
·The RH rear fog guard...

DESCRIPTION AND OPERATION
4.34
DEFENDER 1999 MY
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 adjacent the steering column. Hazard
operation is not dependent on the position of the ignition switch. When the
hazard switch is depressed, the left and right hand indicator lamps, the hazard
warning switch itself, and the hazard warning lamp in...

DESCRIPTION AND OPERATION
DEFENDER 1999 MY4.35
The hazard warning relay (C0547-2) also supplies a feed to the trailer warning
lamp in the instrument pack (C0233-10) on a light green/purple wire. The trailer
warning lamp (C0230-8) is earthed on a black wire. When a left or right turn is
selected (see below) the trailer warning lamp will flash once then extinguish.
Left Turn
Moving the column switch to the left turn position, allows power to flow across
the switch (C0036-4) to:
·The LH indicator connection...

DESCRIPTION AND OPERATION
4.36
DEFENDER 1999 MY
Hazard Warning
Pressing the hazard warning switch to the on position allows the permanent
battery feed from fuse 7 of the engine compartment fuse box (C0574-1) to flow
across the switch (C0096-7 & C0096-5) to the hazard warning relay (C0547-6)
on a light green wire. The energised relay (C0547-8) is now able to provide a
feed for both the LH and RH indicator circuits on a light green/brown wire. The
relay is connected to the following via the hazard warning...