Explanations for electrical circuits (Opel Omega B)

The bottom line of the diagram represents the ground or negative connection; the numbers below this line are track numbers, allowing you to find the chains and elements using a key.

The line at the top of the diagram represents the positive connection. The line labeled 30 is always live. The line labeled 15 is only live when the ignition is on.

Explanations of abbreviations used in the diagrams

AB	Airbag system
ABS	Anti-lock brake system
AC	Air conditioner
ASP	External rear view mirror
AT	Automatic transmission
AZV	Towing device
SS	Control lamp
CD	CD changer
CRC	Cruise control system
D	Diesel
DS	Anti-theft system
DT	Turbodiesel
DTH	Turbodiesel X 20 DTH
DWA	Anti-theft alarm
DZM	Tachometer
ECC	Interior temperature control system
EKP	Fuel pump
EMR	Radio
FH	Electric windows
FIN	Finland
GB	United Kingdom
HS	Rear window defroster
HSF	Glove compartment
HKL	Power steering system
HRL	Trunk light bulb
HZG	Stove
ID	Display
IMO	Immobilizer
INS	Instrument cluster
IRL	Interior lighting bulbs
IRLT	Interior lighting
J	Japanese version
KAT	Catalytic converter
KBS	Wiring harness
KW	Models with a station wagon body type
LED	LED
LHD	Left hand drive models
MID	Display
MT	Manual transmission
N	Norwegian version
NB	Hatchback models
NS	Front fog lights
NSL	Rear fog lights
OEL	Oil level sensor
PBSL	Automatic transmission lock
P/ N	Park/Neutral gear
RFS	Reversing lights
RHD	Right hand drive models
S	Swedish version
SA	Saudi Arabia version
SD	Upper hatch
SH	Seat heaters
SM	Electronic engine control unit
SRA	Headlight washers and wipers
TC	Traction control system
TD	Turbodiesel
TEL	Telephone
TFL	Sidelights
TID	Display
TKS	Interior light switch
WEG	Odometer
WD	Sprinkler
WS	Sound signal
ZIG	Lighter
ZV	Central lock

Wire color designations

BL	Blue
HBL	Light blue
BR	Brown
GE	Yellow
GR	Grey
GN	Green
RT	Red
WS	White
SW	Black
LI	Purple
VI	Violet

Wire identification

Example: GE WS 1.5

GE – main color of the wire

WS – stripe color

1.5 – wire cross-section in mm²