Buick Regal 6G was produced in 2018, 2019, 2020, 2021, 2022, 2023. During that time, the model was updated. In this post we will present a description of the fuses and relays of the Buick Regal 6, with fuse box 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 blocks, may differ from those presented and depend on the year of manufacture, the level of electrical equipment and the region of delivery of your car.
Passenger compartment
Inside the car, the fuse and relay box is located on the left side at the bottom of the instrument panel, behind the protective cover. To access the unit, press on the sides of the cover and pull to release it from the dashboard. Next, pull it towards you.
The fuse box itself will look something like this.
Diagram
Designation
Circuit breakers
| 1 | Left power 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 | Transmission control module |
| 16 | Amplifier |
| 17 | Anxiety |
| 18 | Body control module |
| 19 | Urea module |
| AdBlue module | |
| 20 | Body control module |
| 21 | Body control module |
| 22 | Body control module |
| 23 | Electric steering lock |
| 24 | Air bag |
| 25 | Diagnostic connector |
| 26 | Socket in trunk |
| 27 | EBCM valve |
| 28 | Police position |
| 29 | Body Control Module 8 |
| 30 | Upper console |
| 31 | Steering wheel controls |
| 32 | Egnition lock |
| 33 | Climate control |
| 34 | Central Gateway Module |
| 35 | AUX/ USB connector |
| 36 | Wireless charger |
| 37 | Rear Wiper/ Power Outlet |
| 38 | Onstar |
| 39 | Display |
| 40 | Parking assistance |
| 41 | Upper console |
| 42 | Radio/ infotainment system |
| 43 | Rear accessory socket |
| 44 | Front accessory socket |
Relays
| K1 | Not used |
| K2 | Retained power of the accessory |
| K3 | Not used |
| K4 | Not used |
| K5 | Logistics |
Engine compartment
Under the hood, in the engine compartment on the right side, the main block with fuses and relays is installed.
Diagram
Assignment
| 1 | Not used |
| 2 | Not used |
| 3 | ABS pump |
| 5 | Not used |
| 6 | Rear closure |
| 7 | Fog lamp |
| 8 | Memory control module |
| 9 | Heated windshield |
| 10 | Seat lumbar |
| 11 | DC DC converter 1 |
| 12 | Rear window defogger |
| 13 | Heated mirrors |
| 14 | Not used |
| 15 | LED headlights |
| 16 | Front wipers |
| 17 | Passenger power seat |
| 18 | Sun shade |
| 19 | Driver power seat |
| 21 | Sunroof |
| 22 | Rear wiper |
| 23 | Auto headlamp leveling, Rear seat power folding |
| 24 | Not used |
| 26 | Transmission control module/ Ignition |
| 27 | Instrument panel /Ignition |
| 28 | Not used |
| 29 | Rear vision camera/ Ventilation |
| 30 | Malfunction indicator lamp/ Shift solenoid |
| 32 | Canister vent/ Video processing module |
| 33 | Front heated seats |
| 34 | Rear heated 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 | Headlamp leveling |
| 45 | Not used |
| 46 | Engine control module/ Ignition |
| 47 | Not used |
| 48 | Cooling fan/DC 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 | Load compartment fuse box |
| 58 | Not used |
| 59 | Left LED lamps, Alarm siren |
| 60 | Cooling fan |
| 61 | Not used |
| 62 | Not used |
| 63 | Not used |
| 65 | A/C HEV |
| 67 | Not used |
| 68 | Not used |
| 69 | Right LED lamp/ Right high-beam headlamps |
| 70 | Left high-beam headlamps |
| 72 | Starter pinion |
| 74 | Transmission control module / Engine cooling |
| 75 | Engine control module |
| 76 | Powertrain – off engine |
| 77 | Not used |
| 78 | Horn |
| 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 | SAI fuel heater |
| 88 | Aeroshutter |
| 89 | Not used |
| 91 | Not used |
| 92 | TPIM motor generator/TPIM |
| 93 | Keyless entry control module |
| 94 | – |
| 95 | Water change air coolant pump |
| 96 | Fuel heater |
| 97 | Not used |
| 99 | Not used |
| Relays | |
| 4 | Not used |
| 20 | Rear window defogger |
| 25 | Front wiper control |
| 31 | Run/Crank |
| 37 | Front wiper speed |
| 42 | Not used |
| 64 | Starter motor |
| 66 | Powertrain |
| 71 | Right LED high beam |
| 73 | AC clutch |
| 80 | Starter pinion |
| 90 | Water change air coolant pump |
| 94 | Not used |
| 98 | Fuel heater |
Luggage compartment
Another fuse and relay box is located in the luggage compartment on the left side behind the protective cover.
Diagram
Allocation
| 1 | Empty |
| 2 | Empty |
| 3 | Trailer Interface Module |
| 4 | Empty |
| 5 | Keyless trunk door sensor |
| 6 | Empty |
| 7 | Empty |
| 8 | Electric rear door |
| 9 | Empty |
| 10 | Empty |
| 11 | Trailed socket |
| 12 | Heated front left seat |
| 13 | Heated front right seat |
| 14 | Empty |
| 15 | Heated rear seats 1 |
| 16 | Heated rear seats 2 |
| 17 | Empty |
| 18 | Trailed socket |
| 19 | Empty |
| 20 | Empty |
| 21 | Empty |
| 22 | Electric rear door |
That’s all. And if you have something to add, write in the comments.