British Standard BS-AU7, Abridged for Mini and Varients

When a cable has a base color and a second color tracer.
The code is for example: WG = White with green trace

Disignated on Schematic as:	Main Color	Tracer Color	Circuit
B	Black		All earth connections
BU	Black	Blue	Tachometer generator to tachometer
BN	Black	Brown	Tachometer generator to tachometer
BG	Black	Green	Screenwiper switch to screenwiper (single speed) relay to radiator fan motor
BLG	Black	L. Green	Vacuum brake switch to warning light and/or buzzer
BO	Black	Orange	Radiator fan motor to thermal switch
BR	Black	Red	Electric speedometer
BW	Black	White	Brake fluid level warning light to switch and handbrake switch
BY	Black	Yellow	Electric speedometer
	Blue		Lighting switch (head) to dipper switch
ULG	Blue	L. Green	Screenwiper motor to switch
	Blue	Pink	Headlamp dip beam fuse to left hand headlamp (when independently fused)
UR	Blue	Red	Dipper switch to headlamp dip beam. Headlamp dip beam fuse to right-hand headlamp (when independently fused)
	Blue	Slate	Headlamp main beam fuse to left hand headlamp or inboard headlamps (when independently fused)
UW	Blue	White	Dipper switch to main beam (subsidiary circuit – headlamp flasher relay to headlamp). Headlamp main beam fuse to right-hand headlamp (when independently fused). Headlamp main beam fuse to outboard headlamps (when outboard headlamps independently fused). Dipper switch to main beam warning light
UY	Blue	Yellow	Long range driving switch to lamp.
	Brown		Main battery feed
NB	Brown	Black	Alternator warning light, negative side
NU	Brown	Blue	Control box (compensated voltage control only) to ignition and ignition switch, eg wipers, flashers, etc lighting switch (feed)
NG	Brown	Green	Dynamo ‘F’ to control box ‘F’ Alternator field ‘F’ to control box ‘F’
NLG	Brown	L. Green	Screenwiper motor to switch
NO	Brown	Orange
NP	Brown	Purple	Alternator regulator feed
NR	Brown	Red	Compression ignition starting aid to switch. Main battery feed to double pole ignition switch (a.c. alt. system)
NW	Brown	White	Ammeter to control box. Ammeter to main alternator terminal
NY	Brown	Yellow	Dynamo ‘D’ to control box ‘D’and ignition warning light. Alternator neutral point
G	Green		Accessories fused via ignition switch (subsidiary circuit fuse A4 to hazard switch (terminal 6))
GB	Green	Black	Fuel gauge to fuel tank unit or changeover switch
GU	Green	Blue	Water temperature gauge to temperature unit
GN	Green	Brown	Reverse lamp to switch
GLG	Green	L. green	Hazard flasher unit to hazard pilot lamp
GO	Green	Orange	Low fuel level warning light
	Green	Pink	Choke solenoid to choke switch (when fused)
GP	Green	Purple	Stop lamps to stop lamp switch
GR	Green	Red	Left-hand flasher lamps
	Green	Slate	Heater motor to switch (or to fast)(on 2-speed motor)
GW	Green	White	Right-hand flasher lamps
GY	Green	Yellow	Heater motor to switch, single speed (or to ‘slow’ on two-speed motor)
LG	L. Green		Instrument voltage stabilizer to instruments
LGB	L. Green	Black	Screen jet switch to screen jet motor
LGU	L. Green	Blue	Flasher switch to left-hand flasher warning light
LGN	L. Green	Brown	Flasher switch to flasher unit ‘L’
LGG	L. Green	Green
LGP	L. Green	Purple	Flasher unit ‘F’ to flasher warning light
p	Purple		Accessories fused direct from battery
PB	Purple	Black	Horn or horn relay to horn push
PN	Purple	Brown	Horn fuse to horn relay (when horn is fused separately)
PO	Purple	Orange	Aerial lift motor switch DOWN
PR	Purple	Red	Boot light switch to boot light
PW	Purple	White	Interior light to switch (subsidiary circuit—door safety lights to switch )
PY	Purple	Yellow	Horn to horn relay
R	Red		Side and tail lamp feed
RB	Red	Black	Parking switch to left-hand side lamp
RN	Red	Brown	Variable intensity panel lights (when used in addition to normal panel lights)
RG	Red	Green	Lighting switch to side and tail lamp fuse (when fused)
RLG	Red	L. Green	Screenwiper motor to switch
RO	Red	Orange	Parking light switch to right-hand sidelamp
RP	Red	Purple	Map light switch to map light
RW	Red	White	Panel light switch to panel lights
RY	Red	Yellow	Fog lamp switch to fog lamp
W	White		Ignition control circuit (unfused) (ignition switch to ballast resistor)
WB	White	Black	Ignition coil CB to distributor contact breaker. Rear heated window to switch or fuse TAC ignition
WU	White	Blue	Choke switch to choke solenoid (unfused). Rear heater fuse unit to switch. Electronic ignition TAC ignition unit to resistance.
WN	White	Brown	Oil pressure switch to warning light or gauge
WG	White	Green	Fuel pump No. 2 or left-hand to change-over switch
WLG	White	L. Green	Screenwiper motor to switch
WO	White	Orange	Hazard warning feed (to switch)
	White	Pink	Radio from ignition switch
WP	White	Purple	Fuel pump No. 1 or right-hand to change-over switch
WR	White	Red	Solenoid starter switch to starter push or inhibitor switch
	White	Slate	Tachometer to ignition coil
WY	White	Yellow	Starter inhibitor switch to starter push. Ballast resislor to coil. Starter solenoid to coil
YLG	Yellow	L. Green	Screenwiper motor to switch