Please note that Land Rovers built to military specifications use
a different wire colour code.
| Black |
All ground connections |
| Black/ Purple |
Temperature switch to warning light |
| Black/ Green |
Relay to radiator fan motor |
| Black/ Light green |
Brake switch |
| Black/ Light green |
Brake differential pressure valve to warning
light |
| Black/Orange |
Radiator fan motor to thermal switch |
| Blue |
Headlamp connections |
| Blue |
Headlamp switch to dimmer switch |
| Blue White |
Headlight high beams |
| Blue/ White |
High beam dimmer switch to high beam indicator
lamp |
| Blue/ White |
Dimmer switch to long-range driving light switch |
| Blue/ Red |
Headlight low beams |
| Blue/ Yellow |
Long range driving lamp switch to lamp |
| Brown |
Main feed from the battery. No switches or fuses |
| Brown/Yellow |
GEN to volt. Regulator |
| Brown/ Blue |
power feed to headlamp switch |
| Brown/ White |
Ammeter to main alternator terminal |
| Brown/ Yellow |
Long-range driving light switch to lamp |
| Brown/ Yellow |
Alternator to 'no charge' warning light |
| Brown/ Purple |
Alternator Regulator feed |
| Brown/ Green |
Fuse to horn (No relay) |
| Brown/ Lt. Green |
Windscreen wiper motor to switch |
| Brown/ Black |
Horn to horn button (no relay) |
| Green |
Ignition switch controlled
wiring for auxiliary devices, wipers, flashers, etc |
| Green/ Black |
Fuel gauge to fuel tank unit |
| Green/ Blue |
Water temperature gauge to temperature sender
unit |
| Green/ Brown |
Switch to reverse lamp |
| Green/ Red |
Direction indicator switch to left-hand flasher
lamps |
| Green/ Purple |
Stop lamp switch to stop lamps |
| Green/ White |
Direction indicator switch to right hand flasher
lamps |
| Green/ Yellow |
Heater switch to slow speed on heater motor
or for single speed motor |
| Green/ Gray |
Heater switch to high speed on heater motor |
| Green/ Orange |
Low fuel level switch to warning light |
| Light green |
voltage stabilizer to instruments |
| Light green/ Black |
Windscreen washer switch to motor |
| Light green/ Blue |
Flasher switch to left-hand flasher warning
light |
| Light green/ Brown |
Flasher switch to flasher unit |
| Light green/ Purple |
Flasher unit to flasher warning light |
| Light green/ Orange |
Rear window washer switch to motor |
| Orange |
Wiper circuit (single motor
wiper system) |
| Orange/ Black |
Wiper switch to to motor parking |
| Orange/ Blue |
wiper switch to low speed on motor |
| Orange/ Green |
Wiper switch to high speed on motor |
| Orange/ Yellow |
Rear wiper switch to rear wiper motor |
| Orange/ Light green |
switch to rear window motor parking |
| Purple |
Accessories fed direct from battery via
fuse (Always live) |
| Purple/ Brown |
Horn fuse to horn relay when horn is fused
separately |
| Purple/ Red |
Switches to map light, under bonnet light,
glove box light and boot lamp when fed direct from battery
fuse |
| Red |
Tail lights, instrument lights, parking
lights and side markers |
| Red/ Yellow |
Fog light switch to fog light or front fog
light fuse to fog lights |
| Red/ Blue |
Front fog light fuse to fog light switch |
| Red/ Brown |
Rear fog guard switch to lamps |
| Red Orange |
Power to rear fog guard lamp fuse |
| Red/ White |
Fuse to instrument lamp switch, Instrument
panel lamps |
| White |
Ignition circuit, no additional switches,
not fused |
| White |
Power to coil |
| White/ Black |
Ignition coil to distributor |
| White/ Black |
Distributor side of coil to tech impulse sensor |
| White/ Brown |
Oil pressure switch to warning light or gauge |
| White/ Pink |
Ignition switch to radio fuse |
| White/ Red |
Ignition switch or starter switch to starter
solenoid |
| Yellow |
Generator connections wired through the
ignition switch |
| Yellow/ Green |
Dynamo 'F' to control box 'F' Alternator field
'F' to control box 'F' |
Note that this is an abreviated list showing colours most
likely encountered on a Series Land Rover and circuits a Series
Land Rover owner is likely to add to their vehcle. Here is
a link to a colour
code chart that covers newer vehicles with more electronics.
