Opel Insignia B represents the 2nd generation of the Insignia model range, which was produced in 2018, 2019, 2020, 2021, 2022, 2023. During that time, the model was updated. It is also known as Vauxhall Insignia B and Buick Regal 6. In this publication, we will present a description of the fuses and relays of the Opel Insignia B, with block diagrams, their locations and photo examples of execution. Let’s highlight the cigarette lighter fuse.

The purpose of fuses and relays, as well as their number in the blocks, may differ from that shown and depends on the year of manufacture, the level of electrical equipment and the region of delivery of your car.
Block in the cabin
Inside the car, the fuse and relay box is located on the left side at the bottom of the instrument panel, behind a protective cover. To access the box, press on the sides of the cover and pull to release it from the instrument panel. Then pull it towards you.

For right-hand drive models, the unit is located in the glove compartment.

The block itself will look something like this.


| No. | Description |
|---|---|
| Fuses | |
| 1 | Left electric window |
| 2 | Right electric window |
| 3 | Body control module |
| 4 | Climate control fan |
| 5 | Body control module |
| 6 | Trailer positions |
| 7 | Electric folding rear seats |
| 8 | Body control module |
| 9 | Engine Control Module |
| 10 | Head-up display |
| 11 | Nox Reduction / Pipe Heater |
| 12 | NOx reduction/soot sensor |
| 13 | Urea module |
| 14 | Heated steering wheel |
| 15 | Gearbox control module |
| 16 | Amplifier |
| 17 | Anxiety |
| 18 | Body control module |
| 19 | AdBlue module |
| 20 | Body control module |
| 21 | Body control module |
| 22 | Body control module |
| 23 | Electric steering wheel lock |
| 24 | Airbag |
| 25 | Diagnostic connector |
| 26 | Socket in the trunk |
| 27 | EBCM valve |
| 28 | Police situation |
| 29 | Body Equipment Control Module 8 |
| 30 | Upper console |
| 31 | Steering wheel controls |
| 32 | Ignition switch |
| 33 | Climate control |
| 34 | Central gateway module |
| 35 | AUX/USB connector |
| 36 | Wireless charging |
| 37 | Rear Wiper / Power Socket |
| 38 | Onstar |
| 39 | Display |
| 40 | Parking assistance |
| 41 | Upper console |
| 42 | Radio/Infotainment System |
| 43 | Rear accessory socket |
| 44 | Front accessory socket |
| Relay | |
| K1 | Not used |
| K2 | Accessory Power Retention |
| K3 | Not used |
| K4 | Not used |
| K5 | Logistics |
Block under the hood
Under the hood, in the engine compartment on the right side, the main block with fuses and relays is installed.


| No. | Designation |
|---|---|
| 1 | Not used |
| 2 | Not used |
| 3 | ABS pump |
| 5 | Not used |
| 6 | Back closure |
| 7 | Fog light |
| 8 | Memory Management Module |
| 9 | Heated windshield |
| 10 | Lumbar seat |
| 11 | DC-DC Converter 1 |
| 12 | Rear window defroster |
| 13 | Heated mirrors |
| 14 | Not used |
| 15 | LED headlights |
| 16 | Front wipers |
| 17 | Power passenger seat |
| 18 | Sun visor |
| 19 | Driver’s seat with electric adjustment |
| 21 | Sunroof |
| 22 | Rear wiper |
| 23 | Automatic headlight range control, electric folding rear seats |
| 24 | Not used |
| 26 | Transmission Control Module/Ignition |
| 27 | Instrument panel/Ignition |
| 28 | Not used |
| 29 | Rear view camera/Ventilation |
| 30 | Malfunction Indicator/Shift Solenoid |
| 32 | Canister Ventilation Module/Video Processing Module |
| 33 | Heated front seats |
| 34 | Heated rear seats |
| 35 | All-wheel drive damping control |
| 36 | Fuel module |
| 38 | Not used |
| 39 | Not used |
| 40 | Steering column lock |
| 41 | Not used |
| 43 | Heated steering wheel |
| 44 | Headlight adjustment |
| 45 | Not used |
| 46 | Engine Control Module/Ignition |
| 47 | Not used |
| 48 | Cooling Fan/DC Converter 2 |
| 49 | Rear Door Control Module |
| 50 | Not used |
| 51 | Not used |
| 52 | Not used |
| 53 | Not used |
| 54 | Not used |
| 55 | Not used |
| 56 | Starter |
| 57 | Fuse box in the trunk |
| 58 | Not used |
| 59 | Left LED Lights, Alarm Siren |
| 60 | Fan |
| 61 | Not used |
| 62 | Not used |
| 63 | Not used |
| 65 | HEV air conditioner |
| 67 | Not used |
| 68 | Not used |
| 69 | Right LED lamp/Right high beam headlight |
| 70 | Left high beam headlight |
| 72 | Starter gear |
| 74 | Transmission Control Module/Engine Cooling |
| 75 | Engine Control Module |
| 76 | Power plant – without engine |
| 77 | Not used |
| 78 | Signal |
| 79 | Washer pump |
| 81 | Transmission Control Module/Engine Control Module |
| 82 | Not used |
| 83 | Ignition coils |
| 84 | Coil |
| 85 | Shunt 60A |
| 86 | Not used |
| 87 | Fuel heater SAI |
| 88 | Aero shutter |
| 89 | Not used |
| 91 | Not used |
| 92 | Motor-generator TPIM/TPIM |
| 93 | Keyless Access Control Module |
| 94 | – |
| 95 | Coolant pump for water replacement |
| 96 | Fuel heater |
| 97 | Not used |
| 99 | Not used |
| Relay | |
| 4 | Not used |
| 20 | Rear window defroster |
| 25 | Front wiper control |
| 31 | Starter |
| 37 | Front wiper speed |
| 42 | Not used |
| 64 | Starter motor |
| 66 | Power unit |
| 71 | Right LED High Beam |
| 73 | AC coupling |
| 80 | Starter gear |
| 90 | Coolant pump for water replacement |
| 94 | Not used |
| 98 | Fuel heater |
Block in the trunk
Another fuse and relay box is located in the luggage compartment on the left side behind the protective cover.


| No. | Purpose |
|---|---|
| 1 | Empty |
| 2 | Empty |
| 3 | Trailer Interface Module |
| 4 | Empty |
| 5 | Keyless Tailgate Sensor |
| 6 | Empty |
| 7 | Empty |
| 8 | Electric rear door |
| 9 | Empty |
| 10 | Empty |
| 11 | Trailer socket |
| 12 | Front left seat heating |
| 13 | Front right seat heating |
| 14 | Empty |
| 15 | Rear seat heating 1 |
| 16 | Rear Seat Heating 2 |
| 17 | Empty |
| 18 | Socket in the trunk |
| 19 | Empty |
| 20 | Empty |
| 21 | Empty |
| 22 | Electric rear door |