Zoning of vehicle wiring harnesses (Opel Insignia A)

All mass points, line connectors, pads and plugs have identification numbers corresponding to their location on the vehicle. The numbering principle is given in the table below.

Identification number	Zone
100-199	Engine Bay - Everything forward of the instrument panel. Note: 001-099 may also be used to designate engine bay components, but only if items 100-199 are already in use.
200-299	Within the dashboard area
300-399	The passenger compartment - from the dashboard to the rear wheel arches.
400-499	Luggage compartment - from the rear wheel arches to the rearmost point of the car.
500-599	Within the left front door
600-699	Within the right front door
700-799	Within the left rear door
800-899	Within the right rear door
900-999	Within the trunk lid or door

Material copied from this portal [www.OPELBOOK.ru]