Buick Cascada Holden (2013 – 2019) fuse and relay

Buick Cascada was produced in 2013, 2014, 2015, 2016, 2017, 2018, 2019. Also known as Holden Cascada. In this post you will find a detailed description of the Buick Cascada fuse and relay boxes with diagrams and photographs. Let’s highlight the fuse responsible for the cigarette lighter.

buick cascada

The description of the fuses may differ from the one shown and depend on the year of manufacture and the equipment level of your Cascada.

Engine compartment

Fuse and relay box is located next to the battery and covered with a protective cover.

The location of the unit under the hood astra jay


photo verano fuse box




120A Engine control module
210A O2 sensor/ Purge solenoid
10A (’12-’13)
7.5A (’14-’19)
315A Ignition coils/ Injectors
415A Spare
5Not used
6aNot used
6b7,5A Mirror defogger
75A Powertrain cooling
87,5A Mass airflow sensor/Pre – O2 sensor
9Not used
105A Battery potential signal
12Not used
1325A Antilock Brake System Valves
14Not used
1510A Engine control module
1630A Starter control
1710A Transmission control module
1830A Rear window defogger
1930A Front power window
2030A Rear power window
2140A Rear electrical center
22Not used
23Not used
2415A Right high-beam headlamp
2515A Left high-beam headlamp
2615A Front fog lamps
2750A Spare
28Not used
2930A Electric parking brake
3060A ABS pump
31Not used
325A Airbag
33Not used
357,5A 2012-2015: Air Conditioning Compressor Clutch
2016-2017: Door switch supply/Left power window
3610A A/C clutch
3710A Canister vent
38Not used
3920A Fuel system control module
4010A Front windshield washer
41Not used
4240A Engine cooling fan (RPO LEA)
4330A Front wipers
44Not used
4530A Engine cooling fan (RPO LEA)
46Not used
4715A Horn
4860A Engine cooling fan
4920A Fuel pump
505A 2013-2015: Headlamp leveling/ Adaptive forward lighting
2016-2019: Rear vision camera
51Interior rearview mirror
5A (’12-’13)
7,5A (’14-’19)
52Not used
53Ignition Engine Control Module/  Transmission Control Module
10A (’12-’13)
7,5A (’14-’19)
547,5A Instrument Cluster/ Fuel System Control Module/  Heater, Ventilation, and Air Conditioning Run/ Crank

There may be additional fuses in the form of fusible links in the cover on the battery.

Fusible links


  • 1 – spare relay
  • 2 – starter relay
  • 3 – transmission relay
  • 4 – Rear window heater relay
  • 5 – Relay for headlight washer pump
  • 6 – Relay of the left lamp of daytime running light, dipped headlights
  • 7 – Fuel pump relay
  • 8 – Relay of the right lamp of a daytime running light
  • 9 – Fuel heater relay (diesel engine)
  • 10 – Spare relay
  • 11 – Relay for low speed cooling fan
  • 12 – Relay high speed cooling fan
  • 13 – Relay for average speed of the cooling fan 1
  • 14 – Main ignition relay

Passenger compartment

Fuse box is located under the dashboard on the driver’s side, behind the glove compartment.

access to the unit in the salon


Block diagram in the Astra J cabin


12012-2013: Body Control Module
2014-2019: Steering wheel controls, Displays
220A Body control module
320A Body control module
420A Infotainment system
510A Information display/ Parking assist
620A 2012-2013: Ignition/  Electronic Key System
2014-2017: Cigar lighter
720A Power outlet
830A Body control module
930A Body control module
1030A Body control module
1140A Interior fan
1225A Driver power seat
13Not Used
147,5A Diagnostic connector
1510A Airbag
1610A Central locking system/  Tailgate
1710A Air Conditioning System
1830A Infotainment system
1930A Body control module
205A Passenger power seat
217,5A Instrument cluster
22Ignition/  Electronic key system
2320A Body control module
2420A Body control module
25Not Used
26Not Used

The fuses numbered 6 and 7 at 20A are responsible for the operation of the cigarette lighter and additional sockets.

Several relays can be installed at the top of the fuse box.


Relay diagram


  1. Trunk open
  2. Door security
  3. Power outle

Luggage compartment

It is on the left, under the protective cover.

Trunk block


Block diagram in the trunk of Astra J


1Convertible control module/Right power rail
3Rear parking assist
4Selective catalytic reduction system
7Power seats
8Convertible control module
9Selective catalytic reduction system
10Selective catalytic reduction system
11Tire pressure monitor/Rear vision camera
12Convertible control module/Reverse lamps
14Rear seat electrical folding
16Rear vision camera/ Convertible control module
19Heated steering whee
21Heated seats
23Convertible control module/ Left power rail
24Selective catalytic reduction system
26Non-logistic mode
27Passive entry/ Passive start
29Hydraulic unit


If you have any questions, ask them in the comments.

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