Opel Combo E represents the 4th generation of Combo, which was produced in 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025. During this time, the model received a restyling. In this publication, you can find a description of the fuses and relays of the Opel Combo E with block diagrams, their locations and photo examples of execution. Let’s highlight the fuse responsible for the cigarette lighter.

The purpose of the fuses in the blocks, as well as their number, 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.
Blocks in the cabin
Fuse box
The main fuse box is located on the left side at the bottom of the instrument panel.

In right-hand drive vehicles, the protective cover or storage box must be removed to gain access.

The fuse box itself will look something like this.


| No. | Description |
|---|---|
| 1 | Inductive charging, Interior mirror / Electric power steering / Selective driving control / Radar / Diesel exhaust system |
| 3 | Wireless charger for smartphone |
| 4 | Signal |
| 5 | Windscreen washer (front/rear) |
| 6 | Windscreen washer (front/rear) |
| 7 | Rear USB socket |
| 8 | Rear wiper |
| 10 | Door lock/rear door lock |
| 11 | Door lock/rear door lock |
| 12 | Stop-Start System/Diagnostic Connector Module/Brake System |
| 13 | Infotainment system / Climate control system |
| 14 | Alarm siren |
| 15 | Automatic transmission, instrument cluster, climate control system |
| 16 | Stop-start system/Brake system |
| 17 | Instrument cluster |
| 18 | Parking assistant |
| 19 | Steering Column Electrical Equipment / Steering Wheel Controls |
| 21 | Anti-theft alarm |
| 22 | Camera /Rain sensor/Automatic lighting control |
| 23 | Seat Belt Reminder, Control Module, Start Stop, Trailer Socket |
| 24 | 7-inch touch screen / Advanced parking assistance system / Panoramic view system |
| 25 | Airbag |
| 26 | Electronic stability control |
| 27 | Alarm / Parking Heater |
| 28 | OnStar or BTA module |
| 29 | Infotainment system |
| 32 | Cigarette Lighter / Front Panel Socket |
| 34 | Interior Mirror / Parking Assistance |
| 35 | Light switch/diagnostic connector module/climate control |
| 36 | Lighting fixtures / USB |
Fuse 32 is responsible for the operation of the cigarette lighter.
Fuse and relay box
This block is located behind the main fuse box.


| No. | Description |
|---|---|
| F1 | Heater/Rear Window Defroster |
| F2 | Heated exterior side mirrors |
| F3 | Electric windows – front |
| F4 | Folding side mirrors / Adjusting outside mirrors |
| F5 | Electric windows – rear |
| F6 | Socket in the trunk / Hatch |
| F7 | |
| F8 | Fuse box (right side of instrument panel) |
| F9 | |
| F10 | Heated seats |
| F11 | Front seat massage function |
| F12 | Hi-fi amplifier |
| Relay | |
| R01 | Seat heating relay |
| R02 | Electric window lift relay |
| R03 | Heater/Rear Window Defogger Relay |
| R04 | – |
| R05 | – |
| R06 | – |
| R07 | – |
Blocks under the hood
Fuse and relay box
In the engine compartment, under the hood, on the left side, next to the battery, there is a fuse and relay box. An example of access is shown in the model.



| No. | A | Designation |
|---|---|---|
| F1 | 40A | Air conditioner fan |
| F2 | 60A | ABS/ESP system computer |
| F3 | 80A | Passenger compartment fuse box 3 |
| F4 | 30A | ABS/ESP system computer |
| F5 | 50A | Intelligent Switch Unit (Right direction indicators, front right side lights, right brake lights, left reversing lights, right fog lights.) 20A Heated windshield |
| F6 | 60A | 20A Dual Speed Cooling Fan (GMV) Control Unit BVA AxN8 Calculator – BVA Ax6III Calculator (Thermal) |
| F7 | 70A | Intelligent Switching Unit |
| F8 | 15A | Fuel Pump Engine Control, Pilot-controlled Thermostat – Oil Pump Solenoid Valve (EC Flush – Electric Solenoid Valve – Intake Air Flow Meter – Oxygen Sensors (EP6FADTX), Pilot-controlled Thermostat – Switchable Water Supply, Electric Solenoid Valve (EP6FDT) 20A Engine Computer (for EB2DT or EP6FDT) l Controlled Lift Pump (for DV6F or DW10F) |
| F9 | 15A | Pilot-controlled booster pump (DW10F), inlet and outlet valves v solenoid valves – Pilot-controlled thermostat – Oil pump solenoid valve (EC flushing – Electric solenoid valve – Intake air flow meter – Oxygen sensors (EP6FADTX), Pilot-controlled thermostat – Switchable water supply Electric solenoid valve (EP6FDT) |
| F10 | 15A | Engine Computer – Diesel Fuel Flow Control Pump Magnet – Turbocharger Pressure Control Solenoid Valve (DV5R and DW10F) – Thermostat S (DV5R) – Purge Heater – Inlet and Outlet Adjustable Solenoid Valves (EP6FADTX) – Cylinder Purge – Oxygen Sensors Raised (EB2ADTS) |
| F11 | 20A | Engine computer |
| F12 | 5A | Instrumentation – GMV relay – Istars – DMTC, turbocharged electric water cooling (EB2ADTS and EP6FADTX), intelligent service unit (EP6FADTX) |
| F13 | 5A | Intelligent Switching Unit |
| F14 | 5A | Battery charge level block |
| F15 | 20A | Electric heated windshield |
| F16 | 15A | Fog lights 10A Daytime running lights |
| F17 | 10A | Diagnostics of the GMP BFRM relay – BSI1 — Engine computer — Lower Nox sensor (injectors DV5R and DW10 (DV5R) |
| F18 | 10A | Right headlights high beam |
| F19 | 10A | Left headlights high beam |
| F20 | 30A | Engine Computer l Booster Pump (for ER6EDT) – Ignition Coils (EB2ADTS and EP6FADTX) |
| F21 | 30A | Starter |
| F22 | 40A | Reserve – Taxi |
| F23 | 40A | Starter / Generator |
| F24 | 40A | Passenger compartment fuse box 5 |
| F25 | 40A | Passenger compartment fuse box 3 |
| F26 | 15/20A | Heater |
| F27 | 25A | Intelligent Switch Unit (Right Low Beam Headlight – Right Reversing Lights – Left Fog Lights – Left Rear Side Lights – Third Brake Light.) |
| F28 | 30A | Urea pump power supply and urea tube heating resistor (UCE or DV5R) – Nox sensor (DW10F) – Engine computer (EP6FADTX) – (BlueInjection, AdBlue) |
| F29 | 40A | Windscreen wiper |
| F30 | 80A | Preheating block |
| F31 | 80A | Switching and protection unit |
| F32 | 80A | Power steering, Left low beam headlight – Static cornering lights – Side repeater turn signals – Left turn signals – Front left and rear right side lights – Left brake lights – Number plate lights. |
| Relay | ||
| R1 | Engine Management Computer / Diesel Euro6 (SCR module supply) | |
| R2 | Air Conditioning Compressor / Windscreen Heated | |
| R3 | Starter / Thermal pre-treatment | |
| R4 | Fog lights / daytime running lights | |
| R5 | Air conditioner fan | |
| R6 | Starter | |
| R7 | Front windshield wiper | |
| R8 | Front windshield wiper | |
| R9 | Headlights | |
Block on the battery
A high-power fuse block is attached to the positive terminal of the battery.

| No. | A | Purpose |
|---|---|---|
| F1 | 60A | Electric control unit for two-speed fan motor |
| F2 | 100A | Fuse box |
| F3 | 80A | Power steering |
| F4 | 80A | Fuse box in the passenger compartment |
| F5 | 80A | Fuse box in the passenger compartment |