Table of Contents
The Opel Insignia is a mid-size executive car manufactured by Opel to replace the Vectra. It has been produced since November 2008. In the UK, it is marketed under the Vauxhall brand, and in North America and China as the Buick Regal. Below is a detailed breakdown of the fuse box diagrams and relay layouts for the first-generation Opel / Vauxhall Insignia A (model years 2008–2016).
Below are the locations, diagrams, and photos of the power distribution boxes. The fuses responsible for the “Cigarette Lighter” and “Fuel Pump” are highlighted in bold.
Luggage Compartment (Trunk)
The fuse box is located on the left side of the trunk behind the trim panel.
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| 1 | Central locking system, power tailgate | 30 |
| 2 | Air conditioning / heater blower motor | 40 |
| 3 | Trailer control module | 40 |
| 4 | Not used | - |
| 5 | Trailer electrical connector socket | 30 |
| 6 | Spare | - |
| 7 | - | |
| 8 | Trailer electrical connector socket | 30 |
| 9 | Not used | - |
| 10 | Auxiliary coolant heater | 30 |
| 11 | Power front seats | 30 |
| 12 | Power seat memory module | 10 |
| 13 | Headlight range adjustment, automatic level control | - |
| 14 | Not used | - |
| 15 | - | |
| 16 | - | |
| 17 | Heated seats | - |
| 18 | Power tailgate / trunk control module | 20 |
| 19 | Power rear window sunblind | - |
| 20 | Driver seat ventilation fan | - |
| 21 | Trailer control module | 7.5 |
| 22 | Power rear window sunblind | 15 |
| 23 | Anti-theft alarm system | 5 |
| 24 | Left parking light | - |
| 25 | Right parking light | - |
| 26 | Exterior lighting, turn signals | - |
| 27 | ||
| 28 | Not used | - |
| 29 | Transport / Logistics mode fuse | 30 |
| 30 | 30 | |
| 31 | Adaptive damping system (FlexRide), automatic high beam assist, adaptive cruise control, traffic sign recognition, lane departure warning | 10 |
| 32 | Park assist module | - |
| 33 | All-wheel drive (AWD) control module, electronic differential lock | 10 |
| 34 | Power sunroof | 30 |
| 35 | Central locking system | 30 |
| 36 | Power front seats | - |
| 37 | Spare | - |
Passenger Compartment
The fuse box is located on the driver’s side under the dashboard, behind the glove compartment / storage compartment.
General view of the Insignia A interior fuse box.
| Opel Insignia interior fuse box diagram | ||
|---|---|---|
|
||
| No. | Circuit Protected / Component | Amps |
| 1 | A22 Radio receiver control module K33 Driver Information Center (DIC) display |
10 |
| 2 | K9 Body Control Module (BCM) – Exterior lighting | 20 |
| 3 | K9 Body Control Module (BCM) | 25 |
| 4 | A11 Radio receiver, P5 Warning chime module |
20 |
| 5 | A12 Digital radio receiver module, K82 Mobile phone control module, T11 Multimedia interface module |
7.5 |
| 6 | Front power outlet (Opel / Vauxhall Insignia A cigarette lighter fuse) | 20 |
| 7 | Auxiliary power outlet | 20 |
| 8 | Left headlight (Halogen low beam) | 30 |
| 9 | Right headlight (Halogen low beam) | 30 |
| 10 | Door locks | 30 |
| 11 | K8 Blower motor control module (HVAC system) | 40 |
| 12 | S64D Driver seat adjustment switch, S65D Driver seat lumbar support switch | 25 |
| 13 | Power front seats | 25 |
| 14 | X84 Data Link Connector (DLC / OBD-II port) | 7.5 |
| 15 | K36 Airbag Sensing and Diagnostic Module (SDM) | 7.5 |
| 16 | Central locking system | 10 |
| 17 | Climate control panel and HVAC control unit | 10 |
| 18 | KR104A Logistics mode relay 1 | 30 |
| 19 | Brake lights | 20 |
| 20 | K85 Passenger presence detection module | 5 |
| 21 | P16 Instrument cluster | 10 |
| 22 | S39 Ignition switch | 5 |
| 23 | K9 Body Control Module (BCM) | 20 |
| 24 | 20 | |
| 25 | Electric steering column lock | 20 |
| 26 | Auxiliary power connector | 20 |
Engine Compartment (Under Hood)
There are two power distribution boxes in the engine compartment that protect the vehicle’s electrical circuits.
Engine Compartment Fuse Box
It is located on the left side next to the battery, protected by a plastic cover.
| Diagram | ||
|---|---|---|
|
||
| No. | Description | Amps |
| 1 | Transmission Control Module (TCM) | 5 |
| 2 | Engine Control Module (ECM) | 15 |
| 3 | Spare | - |
| 4 | - | |
| 5 | Ignition circuit, Transmission Control Module (TCM), Engine Control Module (ECM) | 15 |
| 6 | Windshield wiper system | 30 |
| 7 | — | - |
| 8 | Engine management system, fuel injection, ignition system | 15 |
| 9 | 15 | |
| 10 | Engine Control Module (ECM) | 15 / 20 |
| 11 | Engine management components | 10 |
| 12 | Starter motor circuit | 30 |
| 13 | Throttle body heater element | 7.5 |
| 14 | Exterior lighting | 15 |
| 15 | Rear window wiper motor | 20 |
| 16 | Engine management components | 7.5 |
| 17 | Ignition circuit, airbag system | 5 |
| 18 | Adaptive Forward Lighting (AFL) system | 15 |
| 19 | 15 | |
| 20 | Fuel pump module | 20 |
| 21 | Power windows | 30 |
| 22 | ABS / ESP system | 30 |
| 23 | Power steering module | 10 |
| 24 | Power windows | 30 |
| 25 | Auxiliary power sockets | 30 |
| 26 | ABS / ESP system | 60 |
| 27 | Electric parking brake (EPB) | 30 |
| 28 | Heated rear window (Defroster) | 40 |
| 29 | Driver power seat module | 15 |
| 30 | Passenger power seat module | 15 |
| 31 | A/C compressor clutch solenoid | 10 |
| 32 | Multifunction body control module | 20 |
| 33 | Heated front seats | 25 |
| 34 | Power sunroof | 25 |
| 35 | Audio system amplifier | 30 |
| 36 | Spare | - |
| 37 | Right high beam headlight | 10 |
| 38 | Left high beam headlight | 10 |
| 39 | Spare | - |
| 40 | Auxiliary coolant pump | - |
| 41 | Brake vacuum pump | 30 |
| 42 | Engine cooling fan motor | 60 |
| 43 | Spare | - |
| 44 | Headlight washer system | 25 |
| 45 | Engine cooling fan motor | 60 |
| 46 | 10 | |
| 47 | Engine management components | 10 |
| 48 | Front fog lights | 15 |
| 49 | Right low beam headlight | 15 |
| 50 | Left low beam headlight | 15 |
| 51 | Horn | 15 |
| 52 | Instrument cluster, warning chime | 5 |
| 53 | Ignition circuit | 10 |
| 54 | Headlight switch module | 5 |
| 55 | Power windows and power folding mirrors | 7.5 |
| 56 | Windshield washer pump motor | 15 |
| 57 | Electric steering column lock | 15 |
| 58 | Spare | - |
| 59 | Diesel fuel heater | - |
| 60 | Heated / power door mirrors | 7.5 |
| 61 | 7.5 | |
| 62 | Evaporative Emission (EVAP) system | 10 |
| 63 | Heated rear window sensor / relay | 7.5 |
| 64 | Adaptive Forward Lighting (AFL) system | 5 |
| 65 | Anti-theft alarm siren | 7.5 |
| 66 | Rear window washer pump motor | 15 |
| 67 | Fuel pump fuse | 20 |
| 68 | Spare | - |
| 69 | Multifunction control module | 5 |
| 70 | Rain / light sensor | 5 |
| 71 | Power supply for body electronics | - |
| Engine Compartment Relay Assignments | |
|
|
| No. | Description |
| R1 | A/C compressor clutch relay |
| R2 | Starter relay |
| R3 | - |
| R4 | - |
| R5 | - |
| R6 | - |
| R7 | Engine Control Module (ECM) main relay |
| R8 | Fuel pump relay |
| R9 | - |
| R10 | - |
| R11 | Headlight washer pump relay |
| R12 | - |
| R13 | - |
| R14 | - |
| R15 | Main ignition relay |
| R16 | Secondary air injection (SAI) pump relay |
| R17 | Heated rear window relay |
High-Current Fuse Block
Located on top of the battery terminal cover.
General view.
| Diagram | ||
|---|---|---|
|
||
| No. | Circuit Protected | Amps |
| F1 | Passenger compartment fuse box | 100 |
| F2 | 100 | |
| F3 | Luggage compartment fuse box | 100 |
| F4 | 100 | |
| F5 | Alternator / Starter motor | 250 |
| F6 | 250 / 300 500 |
|
Control Module Locations
General layout of electrical components and control modules.
|
|
| No. | Component |
| 1 | ABS / ESP control unit |
| 2 | Blower motor control module — near the blower motor |
| 3 | Climate control module — behind the HVAC panel |
| 4 | Airbag crash sensor (SRS) |
| 5 | Side impact sensor, left |
| 6 | Side impact sensor, right |
| 7 | Anti-theft alarm horn |
| 8 | Anti-theft alarm control module (with interior volumetric sensors) — on the overhead console |
| 9 | Anti-theft alarm siren |
| 10 | Anti-theft relay — integrated into the engine compartment fuse box |
| 11 | Auxiliary power outlet relay — in the passenger compartment fuse box |
| 12 | Battery |
| 13 | Trunk / Tailgate release relay — in the under-dash fuse box |
| 14 | Fuel filler flap lock relay — in the luggage compartment fuse box |
| 15 | Central locking relay (driver door) — integrated into the engine compartment fuse box |
| 16 | Diagnostic Link Connector (DLC / OBD-II port) |
| 17 | Electronic differential lock control module — mounted on the rear differential |
| 18 | Digital Audio Broadcast (DAB) receiver module — behind the glove compartment |
| 19 | Auxiliary electric heater (PTC) — on the HVAC heater housing |
| 20 | Electric Parking Brake (EPB) control module — behind the rear wheel arch |
| 21 | Engine Control Module (ECM) — near the battery |
| 22 | Front fog light relay — integrated into the engine compartment fuse box |
| 23 | Engine compartment fuse box |
| 24 | Battery power distribution block |
| 25 | Auxiliary fuse box 3 — near the battery |
| 26 | Auxiliary fuse box 4 — near the cooling fan motor |
| 27 | Passenger compartment fuse box — behind left dashboard |
| 28 | Luggage compartment fuse box — behind left side trim |
| 29 | Glow plug control module — next to the battery |
| 30 | Headlight range / AFL control module — behind the dashboard |
| 31 | High beam relay — integrated into the engine compartment fuse box |
| 32 | Dual horn — behind the front bumper |
| 33 | Horn relay — integrated into the engine compartment fuse box |
| 34 | Auxiliary ignition relay 1 — in the passenger compartment fuse box |
| 35 | Keyless entry receiver module — behind the instrument cluster |
| 36 | Multifunction control module (BCM) — controls:
|
| 37 | Ambient air temperature sensor |
| 38 | Park Assist control module — behind luggage compartment trim panel |
| 39 | Power steering control module — behind dashboard |
| 40 | Rain and light sensor — top center of windshield |
| 41 | Rear window washer pump relay — integrated into the engine compartment fuse box |
| 42 | Rear window wiper motor relay — integrated into the engine compartment fuse box |
| 43 | Front left seat heating module — under seat |
| 44 | Front right seat heating module — under seat |
| 45 | Airbag control module (SDM / SRS) — under center console |
| 46 | Adaptive suspension control module (FlexRide) — behind trim panel |
| 47 | Suspension acceleration sensor 1 — on front strut tower |
| 48 | Suspension acceleration sensor 2 — on front strut tower |
| 49 | Suspension acceleration sensor 3 — on rear suspension |
| 50 | Suspension acceleration sensor 4 — on rear suspension |
| 51 | Suspension acceleration sensor 5 — under luggage compartment floor |
| 52 | Front left ride height sensor — mounted on suspension |
| 53 | Rear left ride height sensor — mounted on suspension |
| 54 | Front right ride height sensor — mounted on suspension |
| 55 | Power tailgate control module (Estate / Station Wagon) — behind rear door trim panel |
| 56 | Tailgate control module (Hatchback) — behind tailgate trim |
| 57 | Mobile phone / Bluetooth control module |
| 58 | Trailer interface control module — behind trim panel |
| 59 | Transmission Control Module (TCM) — mounted on transmission |
| 60 | Power inverter — under center console |
| 61 | Windshield washer pump relay — integrated into the engine compartment fuse box |
| 62 | Yaw rate / Lateral acceleration sensor — under center console |