Land Rover Defender 300 Tdi Electrical Library Rover Manual

DESCRIPTION AND OPERATION
DEFENDER 97 MY4.11
When the ignition switch is turned to the crank position (090-1), it provides a
feed to the starter relay coil (C151-85) on a white/red wire. The relay is earthed
(C151-86) on a black wire. Feed from fusible link 2 (C907-2) of the engine
compartment fuse box can now flow across the starter relay (C151-87 &
C151-30). Current flows from the starter relay (C151-30) to the similarily
energised fuel pump relay (C298-87) on a white/red wire. The fuel pump relay...

DESCRIPTION AND OPERATION
4.12
DEFENDER 97 MY
HEATER BLOWER
DESCRIPTION
The heater is operated by three sliding controls attached to the instrument
binnacle. Two of the controls regulate the temperature and air flow distribution.
The third control operates the two speed heater blower. The heater blower
operates with the ignition switch in position I.
OPERATION
Feed from the positive battery terminal is connected to the engine compartment
fuse box (C632-1) by a brown wire. Current passes through fusible...

DESCRIPTION AND OPERATION
DEFENDER 97 MY4.13
HEATED REAR WINDOW (HRW)
DESCRIPTION
The heated rear window (HRW) is operated by a latching switch mounted on
the dash panel. When the switch is set to the On position, the instrument
panel warning lamp will illuminate to indicate the HRW is operating. The HRW
only operates when the ignition switch is turned to position II.
OPERATION
Feed from the positive battery terminal is connected to the engine compartment
fuse box (C632-1) by a brown wire. Current passes...

DESCRIPTION AND OPERATION
4.14
DEFENDER 97 MY
WIPERS AND WASHERS
DESCRIPTION
The front windscreen wipers are controlled from the column switch and operate
when the ignition switch is in position II. The wipers have 2 speed settings,
along with a flick wipe and single wipe facility. An intermittent wipe function and
programmed wash wipe facility is controlled by the front wiper delay unit.
Moving the wiper switch down from the off position initiates the intermittent
wipe function. Moving the wiper switch...

DESCRIPTION AND OPERATION
DEFENDER 97 MY4.15
OPERATION
Feed from the positive battery terminal is connected to the engine compartment
fuse box (C632-1) by a brown wire. Current passes through fusible link 2
(C907-2) which is connected to the ignition switch (C028-1) by a brown wire.
With the ignition switch in position II, power flows across the switch (C094-1)
to fuse 3 (C580-5) and fuse 4 (C580-7) of the passenger compartment fuse
box, which are connected in parallel. Both are fed by white wires. Fuse...

DESCRIPTION AND OPERATION
4.16
DEFENDER 97 MY
Park Circuit
Positioning the wash/wipe switch to the off position cuts power to the wiper
motor on the blue/light green or red/light green wire. The park circuit operates
to return the wipers to their park position. The park switch (C030-4), integral to
the wiper motor unit, receives a 12 volt supply from fuse 4 of the passenger
compartment fuse box (C580-6) on a green wire. The park switch is closed with
the wipers in any position other than their park...

DESCRIPTION AND OPERATION
DEFENDER 97 MY4.17
When the delay unit (C303-6) receives a feed from the washer switch (C278-2),
it outputs a feed (C303-2) to the wash/wipe switch (C278-4) on a yellow/light
green wire. Power flows out through the wash/wipe switch (C278-1) and onto
the wiper motor (C030-3), which operates at slow speed. When the washer
switch is released, the delay unit will operate the wipers for a further 3 cycles.
Once this has been completed, feed to the wash/wipe switch is cut by the...

DESCRIPTION AND OPERATION
4.18
DEFENDER 97 MY
EXTERIOR LAMPS - Brake and Reverse Lamps
DESCRIPTION
The brake lamps illuminate when the ignition is in position II and the brake
pedal is depressed. The reverse lamps illuminate when the ignition is in
position II and reverse gear is selected.
OPERATION
Feed from the positive battery terminal is connected to the engine compartment
fuse box (C632-1) by a brown wire. Current passes through fusible link 2
(C907-2) and is connected to the ignition switch...

DESCRIPTION AND OPERATION
DEFENDER 97 MY4.19
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 1 switches on the tail lamps, the
number plate lamps, and front side lamps. Position 2 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 with the...

DESCRIPTION AND OPERATION
4.20
DEFENDER 97 MY
Fuse 15 of the passenger compartment fuse box (C580-30) is connected to the
LH front side lamp (C538-2) by a red/black wire. The lamp is then earthed
(C538-1) on a black wire. Connected in parallel with the LH front side lamp is
the LH trailer pick-up (C877-1), which is also fed by a red/black wire. The trailer
pick-up (C877-2) is connected in series to the LH tail lamp (C404-3) by a
red/black wire. The tail lamp is earthed (C404-1) on a black wire....