Workshop Manuals Factory service & repair Land Rover
01 Introduction02 Fuse details03 Earth points and header joints04 Description and operation05 Connectors
Land Rover Defender Td5 Electrical Library (1999)04 · Description and operation
04 · General

Headlamps

Make
Land Rover
Model
Defender Td5 Electrical Library
Year
1999
Section
Operation › Headlamps
Description and operationHeadlamps

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 dim-dip relay (C0048-7). Both are supplied a feed on red/orange wires, and earthed (C0230-8 & C0048-6 respectively) on black wires.

Headlamps

With the lighting switch in position ’II’, current flows across the switch (C0041-4) to the headlamp relay (C0282-2) on a blue wire. Current cannot flow across the headlamp relay, as the relay is only energised when the ignition switch is in position ’II’.

Dipped Beam

The ignition switch (C0028-1) is supplied a feed from fusible link 5 of the engine bay fuse box (C0570-2) on a brown/white wire. With the ignition switch in position ’II’, current flows across the switch (C0094-1) to fuse 7 of the passenger compartment fuse box (C0580-9) on a white wire. Fuse 7 (C0580-14) supplies a feed to the dim-dip relay (C0048-1) and the headlamp relay (C0282-4) on white/green wires. The headlamp relay (C0282-6) is earthed on a black wire. This allows current to flow across the relay switch (C0282-2 & C0282-8) to the column switch (C0036-1) and the dim-dip relay (C0048-5) on blue wires.

With the column switch in the dipped beam position, current flows from the switch (C0036-6) to the dim-dip relay (C0048-8) on a blue/red wire. The dim-dip relay supplies a feed (C0048-2) to fuse 15 and fuse 16 of the passenger compartment fuse box (C0581-9) on a blue/red wire. Fuse 15 (C0581-10) supplies a feed to the RH headlamp dipped beam bulb (C0011-2) on a blue/black wire. The bulb (C0011-3) is earthed on a black wire.

Fuse 16 (C0581-12) supplies a feed to the LH headlamp dipped beam bulb (C0009-2) on a blue/pink wire. The bulb (C0009-3) is earthed on a black wire.

Parts & tools for this job For 1999 Land Rover Defender

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