hi i think you might find the fuse box diagram at this link http://www.opelmoscow.ru/FAQ/FB-VectraA.htm
The fuse box diagram for an Opel Vectra varies depending on the model year and specific configuration. Typically, the fuse box is located under the dashboard on the driver's side or in the engine compartment. You can find a detailed diagram in the owner's manual, which identifies each fuse's function and amperage. If you don't have access to the manual, replacement diagrams may also be available online or through Opel dealerships.
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in the room, at the driver side, in a box under the steering. Hamada
It's under the right hand side of the steering wheel.
The fuse box diagram will be located on the inside cover of the fuse box. The fuse box can be found in the engine compartment.
In the Vauxhall Vectra C, the AC fan relay is typically located in the under-hood fuse box. This fuse box is usually situated near the battery on the driver's side of the engine compartment. You can identify the specific relay for the AC fan by consulting the fuse box cover or the vehicle's owner manual for the diagram that indicates the relay layout.
You can find the fuse box diagram on the inside cover of the fuse box. You can also obtain a fuse box diagram from most auto-parts stores.
The fuse box diagram, for a Peugeot 206, can be found on the inside of the fuse box cover. Remove the fuse box cover and flip it over to reveal the diagram.
The Ford Taurus fuse box diagram can be found on the inside cover of the fuse box. The fuse box diagram can be obtained from most Ford dealerships.
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In a Vauxhall Vectra C 2003, the fuse for the hazard lights is located in the fuse box under the dashboard on the driver's side. Specifically, you’ll find it behind the cover near the steering column. The fuse number may vary, but it is typically labeled in the fuse box cover diagram. Always refer to the owner's manual for the exact fuse number and location.
You can find a fuse box diagram for your the W in the back of the owners manual. Newer vehicles will have the fuse box diagram on the inside cover of the fuse box.