Land Rover Discovery 99my To 03my Electrical Library 3rd Edition Rover Manual

DESCRIPTION AND OPERATION
4.150DISCOVERY SERIES II
LH front door speaker
The positive output from the head unit is connected on a BW wire to connector interface 
C0463-3/C0744-3. From the interface the positive output continues on a BK wire to the LH 
front door speaker. The LH front door speaker negative output is connected on a BR wire to 
connector interface C0463-4/C0744-4. From this interface the negative output is connected 
on a BN wire to the head unit.
LH high range A post speaker (Mid-line...

DESCRIPTION AND OPERATION
DISCOVERY SERIES II 4.151
In-Car Entertainment (ICE) High-Line System Supply
Circuit supply
A permanent feed from the battery positive terminal is connected by an R wire to the engine 
compartment fusebox, where it passes through fusible link 3. From fusible link 3 the feed 
passes on an NR wire to fuse 20 in the passenger compartment fusebox. From fuse 20 the 
feed flows on a P wire via header C0725 to the head unit. This feed supplies power to the 
internal memory and the...

DESCRIPTION AND OPERATION
4.152DISCOVERY SERIES II
The feed from the contacts of the auxiliary relay flows on a WG wire to fuse 16 in the 
passenger compartment fusebox. From fuse 16 a feed on an LGO wire flows to header 
C0296. From header C0296 the feed flows on a LGO wire to the LH and RH radio 
headphone amplifiers.
NOTE: This feed is operational when enabled by a signal from the head unit.
Another feed from fuse 16 in the passenger compartment fusebox is connected via splice 
joint A7 to the head...

DESCRIPTION AND OPERATION
DISCOVERY SERIES II 4.153
RH rear door high range speaker (upper door trim)
The positive output from the RH rear door speaker continues on to the RH rear door high 
range speaker on a BU wire. The negative output from the RH rear door high range speaker 
is connected on a BG wire to the negative output connector on the RH rear door speaker.
RH mid range front door speaker
The positive output from the head unit is connected on a BK wire to connector interface 
C0229-20/C0067-20....

DESCRIPTION AND OPERATION
4.154DISCOVERY SERIES II
LH low range rear door speaker
The positive output from the head unit is connected on a BY wire to connector interface 
C0229-24/C0067-24, from the interface the positive output continues on a U wire to the 
power amplifier. From the power amplifier the positive output continues on a SK wire to 
connector interface C0435-1/C0803-1. From this interface the feed continues on a BU wire 
to the LH low range rear door speaker.
The LH low range rear door...

DESCRIPTION AND OPERATION
DISCOVERY SERIES II 4.155
Remote controls (steering wheel)
The remote control output is connected to the head unit by an SR wire via the rotary coupler. 
The remote control inputs are connected to the head unit via the rotary coupler with an SB 
wire.
Radio headphone amplifiers
Radio headphone earth: The radio headphone amplifiers are connected via header C0296 
to earth header C0707 on a B wire.
Left channel input/output: The positive left channel output from the head unit is...

DESCRIPTION AND OPERATION
4.156DISCOVERY SERIES II
CD autochanger connections
The CD autochanger is earthed, via the head unit, on an N wire from the CD autochanger 
to connector interface C0912-8/C0911-8, and a B wire from the interface to the head unit.
An I bus communications link is connected from the CD autochanger to connector interface 
C0912-5/C0911-5 on a G wire, and from the interface to the head unit on a K wire.
The CD auto changer permanent feed is connected from the head unit on a P wire....

DESCRIPTION AND OPERATION
DISCOVERY SERIES II 4.157
ICE/Satellite Navigation Supply
Circuit supply
A permanent feed from the battery positive terminal is connected by an R wire to the engine 
compartment fusebox, where it passes through fusible link 3. From fusible link 3 the feed 
passes on an NR wire to fuse 20 in the passenger compartment fusebox. From fuse 20 the 
feed flows on a P wire via header C0725 to the head unit and the CD autochanger. The 
permanent feed to the head unit powers the internal...

DESCRIPTION AND OPERATION
4.158DISCOVERY SERIES II
Ignition switch supply
When the ignition switch is in position I or II, the feed from fusible link 8 in the engine 
compartment fusebox flows from the ignition switch to fuse 26 in the passenger 
compartment fusebox on an LGW wire. From fuse 26 the feed is connected on an LG wire 
to the coil of the auxiliary circuits relay, which is connected via header C0286 LHD/C0288 
RHD to earth header C0018 on a B wire. The auxiliary circuits relay is energised,...

DESCRIPTION AND OPERATION
DISCOVERY SERIES II 4.159
CD autochanger connections
The right channel positive input of the CD autochanger is connected to the head unit by a W 
wire. The left channel positive input of the CD autochanger is connected to the head unit by 
an R wire.
The left and right channel negative inputs of the CD autochanger are both connected to 
splice SJ1, which is connected to a common connection on the head unit by an S wire. The 
left channel negative input is connected from the CD...