Relay and fuse layout diagrams for Opel Vectra generation B and C cars

Author of the article

Igor Filippov

Auto expert. Consultant for the site opelpro.ru.

Articles written

8

Detecting faults in the electrical circuits of modern cars is not an easy task even for a trained professional. As for ordinary motorists, they may have problems even at the stage of searching for failed relays and blown fuses.

The main problems arise from a lack of information. This article, dedicated to Opel Vectra cars of generations B and C, will satisfy the existing hunger for information. Having studied it, car owners will have the opportunity to find out where the relays and fuses are located on their cars and what they are responsible for.

In order to make the information more visual, the article has been supplemented with detailed diagrams. Do not be mistaken in thinking that the schemes are being repeated due to an error by the authors. Depending on the specific year of production of the Opel Vectra and the configuration of the popular model, the components may be placed differently.

To avoid making mistakes, be patient and find exactly your version of the car. Well, are you ready? Then let's get started!

Color marking

Let's start with color coding, which makes it possible to quickly determine the design parameters of fuses, indicated in amperes. These colors will be used in the future in all diagrams attached to the article.

Knowing the color coding greatly simplifies not only the search for faulty components, but also the selection of a replacement that is suitable for its characteristics.

Important! Do not install fuses whose parameters do not meet the requirements of the developers! This may cause serious malfunction or fire.

Fuses and relays Opel Vectra C

Cars considered: Opel Vectra C, Opel Signum 2002, 2003, 2004, 2005, 2006, 2007, 2008.

Fuse box in the cabin.

Located on the left side of the panel behind the cover.

Layout of fuses and relays in the block.

Depending on the year of manufacture and vehicle equipment, the location of the relays and fuses may change.

transcript

Fuse and relay box in the luggage compartment opel vectra c.

Located on the left behind the plastic cover.

sedan, hatchback

station wagon

Layout of fuses and relays in the block.

designation of fuses and relays.

Fuse and relay box in the engine compartment. Opel Vectra C.

Located near the battery.

description of fuses and relays.

Additional fuse and relay blocks in the engine compartment of the Opel Vectra C.

block used in models 2002-2005

2 -3 - Fuel heater relay F38 (30A) - Starter F39 (20A) - Horn

block used in models 2005-2008

For vehicles with diesel engines.

How to check the fuel pump relay Opel Vectra A

How to check it yourself

Fuel pump relay The fuel pump relay is a device that provides and stops power supply to the fuel pump upon command from the ECU. The device is fully responsible for controlling the fuel pump, and also performs certain additional functions, which depend on the specific brand and equipment of the car. For example, on cars with automatic transmission, if it is necessary to activate the kick-down mode (intensive acceleration), the specified relay is activated. Read in this article

Where is the fuel pump relay located?

To answer the question of where the fuel pump relay is located, you need to know exactly the make and model of the car. The installation location on different cars is the area near the injection control unit; the solution can be installed under the dashboard near the fuse box, etc. Purpose, design features, installation location of the fuel pressure regulator of an injection engine. Signs of RTD malfunctions, checking the device.

Signs and Symptoms of a Bad Fuel Pump Relay

Let's start with the fact that the fuel pump is controlled through a relay according to the following general scheme:

• the driver inserts the key into the lock and turns on the ignition;
• after turning on the ignition, the relay turns on the fuel pump for 2-3 seconds, which is necessary to create pressure in the fuel rail.
• then you can hear a characteristic sound as the fuel pump relay clicks, which has turned off the fuel pump;
• subsequent operation of the fuel pump will be possible under 2 conditions: rotation of the engine by the starter during startup and further independent operation of the already running engine.
• after turning off the ignition and stopping the engine, the relay turns off the fuel pump immediately or after 1 second.

Where is the fuel pump relay located in the OPEL VECTRA A

What to do if the fuel pump relay burns out

- LOOK )))

Opel Vectra B fuel pump relay

Relay test

gasoline pump Opel Omega A 3.0L 1989 c30ne. Also on some cars the device serves as a kind of engine speed limiter. If the engine speed approaches maximum and begins to exceed the permissible threshold, the fuel pump is switched off via a relay. The supply of gasoline stops, the speed decreases, after which the element supplies power to the pump again. If relay malfunctions occur, then power may not be supplied to the fuel pump. The second option is that the pump hums or hums constantly, that is, it does not turn off a few seconds after the required pressure is created in the fuel line. In the first case, the engine often cannot be started because the pump does not pump and there is no gasoline in the fuel rail. In the second case, the fuel pump relay gets stuck (the fuel pump relay does not work) and the battery charge is consumed for the constant rotation of the fuel pump motor. Let us add that on some cars, starting the engine is possible even if there are certain malfunctions in the operation of the element, since the pump relay connection diagram allows the device to operate while the starter is cranking.

Additional block in the engine compartment

The relay block comes in 2 configurations.
Package 1

1. —
2. Glow plug control unit (60A)
3. Fuel filter heater relay (30A)
4. Glow plug control unit (60A)

R3 - fuel filter heater relay

Package 2

1. —
2. Starter (30A)
3. —
4. Horn (30A)

R2, R3 - fuel heater relay