Workshop Manuals Factory service & repair Land Rover
01 Introduction02 Fuse details03 Earth points and header joints04 Description and operation05 Connectors
Land Rover Defender 300Tdi Electrical Library04 · Description and operation
04 · General

Instruments (page 2 of 2)

Make
Land Rover
Model
Defender 300Tdi Electrical Library
Section
Instruments
Description and operationInstruments · page 2 of 2

With the ignition switch in position "II" (0C94-1), power is supplied to fuse 3 (C580-5) of the passenger compartment fuse box on a white wire. Fuse 3 of the passenger compartment fuse box (C580-6) is connected to the instrument pack. Current is supplied to the fuel gauge (C922-1) and the coolant temperature gauge (C196-1) on green wires, which are connected in parallel. The fuel gauge (C816-1) and the coolant temperature gauge (C815-1) are both earthed on black wires.

With the ignition switch in position "II" (C094-1), power is also supplied to header joint K109 (C285-17) on a white wire. Header joint K109 feeds the following warning lamps;

  • The glow plug warning lamp (C233-9) is fed by a white wire, and earthed (C233-10) on a yellow/black wire via the glow plug ECU (C189-2).
  • The diff lock warning lamp (C230-4) is fed by a white wire, and earthed (C233-8) on a black/blue wire via the diff lock unit (C306-1).
  • The ignition/no charge warning lamp (C230-4) is fed by a white wire, and earthed (C230-5) on a yellow/brown wire via the alternator (C185-1).
  • The low brake fluid warning lamp (C230-4) is fed by a white wire, and is connected (C230-6) to the brake fluid level switch (C026-1) on a black/white wire. When the switch is closed (C031-1) a path to earth is supplied on a black wire.
  • The transmission oil warning lamp (C687-1) is fed by a white wire, and is earthed (C686-1) via the oil temperature switch (C219-1) on a slate/red wire.

Parts & tools for this job For Land Rover Defender

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