Fuses and relays Opel / Vauxhall Meriva A, 2003–2010

The Opel Meriva A was unveiled at the Paris Motor Show in September 2002 and launched in Europe in May 2003. Developed at General Motors’ Brazilian design center, the vehicle was built on the third-generation Corsa platform. This article provides detailed fuse box diagrams and relay assignments for the first-generation Opel / Vauxhall Meriva A (model years 2003–2010).

Below you will find junction box locations, layout diagrams, and photos. Fuses for the “Cigarette lighter” and “Fuel pump” are highlighted in bold.

Passenger Compartment

Two junction boxes located in the cabin protect the vehicle’s electrical circuits.

Fuse Box

It is located behind the dashboard cover. 

To access the fuse box, pull the lower edge of the cover to release the retaining clips and remove it.

General overview of the Opel / Vauxhall Meriva A interior fuse box.

Diagram
No.	Description	Rating (A)
1	Electronic Control Unit (ECU)	7.5
2	Engine immobilizer, hazard warning lights, exterior lighting	5
3	Headlamp washer system	30
4	Infotainment system, diesel engine management system	20
5	Not used	—
6		—
7	Starter motor, diesel engine management system	10
8	Horn	15
9	Fuel injection system, Meriva A fuel pump fuse, auxiliary heater	20
10	Turn signals	20
11	Infotainment system, multi-function display	20
12	Heated rear window, heated exterior mirrors	7.5
13	Central locking system, anti-theft alarm system	10
14	Petrol engine management system	15
	Diesel engine management system	7.5
15	Diesel engine management system (Z 17 DTH engine)	10
16	Auxiliary power socket, Opel / Vauxhall Meriva A cigarette lighter fuse	20
17	Not used	—
18	Adaptive Forward Lighting (AFL)	15
19	Central locking system	20
20	Interior lighting	5
21	Windscreen washers	15
22	Rear power windows	20
23	Electric sunroof	20
24	Anti-theft alarm system	5
25	Rear window wiper	15
26	Ignition system, engine control module	15
27	Engine management system, Supplemental Restraint System (SRS), Electronic Stability Program (ESP)	5
28	Air conditioning system	7.5
29	Driver’s door power window	20
30	Not used
31	Engine management system	7.5
	Engine management system (Z 17 DTH engine)	10
32	Front passenger door power window	20
33	Body Control Module (BCM), engine immobilizer, indicator lamps	15
34	Windscreen wipers	30
35	Interior lighting, power rear-view mirror, multi-function display	5
36	Brake lights, Anti-lock Braking System (ABS), Electronic Stability Program (ESP)	15
37	Meriva cigarette lighter fuse, auxiliary heater	20
38	Heated driver seat	15
39	Heated front passenger seat	15
40	Adaptive headlights, automatic headlight leveling	5
41	Reversing lights	15
42	Engine cooling fan	5
43	Left-hand parking light	5
44	Right-hand parking light	5
45	Front fog lights	10
46	Rear fog lights	15
47	Towing hitch electrical socket	20
48	Diesel fuel filter heater	30
49	Not used	—
50	Diesel fuel filter heater	30
51	Left dipped beam (low beam) headlamp:
	Xenon / gas-discharge lamp	15
	Halogen lamp	10
52	Right dipped beam (low beam) headlamp:
	Xenon / gas-discharge lamp	15
	Halogen lamp	10
53	Electric sunroof, power windows, infotainment system	5
54	Left main beam (high beam) headlamp	10
55	Right main beam (high beam) headlamp	10
56	Not used

Relay Box

Located under the driver’s seat. To access, release the cover latches and slide the cover forward.

Diagram
No.	Function
K1	Tailgate latch release
K2	Engine starter interlock
K3	Central door locking
K4	Driver’s door lock
K5	Door unlocking
K6	Heated rear window and heated exterior mirrors
K7	Front fog lights
K8	Rear window wiper
K9	Rear electrical systems

Engine Compartment

Component locations: #1 – main fuse and relay panel; #2 – auxiliary relays near the battery.

Main Fuse Panel

Panel access example.

Diagram
No.	Function	Rating (A)
1	Engine cooling fan	40
2	Starter motor	30
3	Engine cooling fan	50
4	Heated rear window	30
5	Easytronic automated manual transmission	60
	Diesel engine glow plugs	80
6	Anti-lock Braking System (ABS)	40
7	Electric Power Steering (EPS)	50
8	HVAC blower fan	30

Relay Box

Located in the plenum chamber (air intake housing).

General layout.

Relay assignment.
K1. Ignition relay (Terminal 15);
K2. Starter relay;
K3. Ignition relay (Terminal 15a);
K4. Fuel pump relay (fuel module);
K5. Engine Control Module (ECM) relay;
K6. Front fog light relay;
K7. Air conditioning compressor clutch relay;
K8. Left-hand parking light relay;
K9. Right-hand parking light relay;
K10. Main beam (high beam) relay;
K11. Dipped beam (low beam) relay;
K12. Engine cooling fan relay;
K13. Not used;
K14. Reversing light relay;
K15. Headlamp washer pump relay;
K16. Right-hand turn signal relay;
K17. Left-hand turn signal relay;
K18. Windscreen washer pump relay;
K19. Rear window washer pump relay;
K20. Intermittent windscreen wiper relay;
K21. Continuous windscreen wiper relay;
K22. Anti-theft alarm horn relay;
K23. Horn relay;
BCM. Body Control Module (BCM).

Auxiliary Relays

An auxiliary relay module for the engine cooling fan is located on the battery tray bracket. To access it, release the latch and slide off the protective cover.