Looking for Buick Regal fuse box diagrams ? This article covers the sixth-generation Buick Regal , available from 2018 , and includes fuse box diagrams for Buick Regal 2018, 2019 and 2020 , along with details about the location of the fuse panels inside the vehicle and a clear explanation of the assignment of each fuse and relay (fuse layout).
Fuse box is located in the instrument panel, on the driver side of the vehicle. To access the fuses, press in on the sides of the cover and pull to release it from the instrument panel. Pull the panel toward you to release it from the hinges.
Assignment of the fuses in the Passenger compartment
Fuse Data
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No. Description F1 Left window F2 Right window F3 Not used F4 HVAC blower F5 Battery 2 F6 Electric steering column F7 Not used F8 Battery 3 F9 Engine control module/Battery F10 Body control module 2 On/Off F11 Not used F12 Not used F13 Not used F14 Not used F15 Transmission control module On/Off F16 Amplifier F17 Not used F18 Battery 7 F19 Not used F20 Battery 1 F21 Battery 4 F22 Battery 6 F23 Electric steering column lock F24 Airbag sensing diagnostic module/Passenger sensing module F25 Diagnostic link F26 Not used F27 AC DC inverter F28 Not used F29 Body control module 8 F30 Overhead console F31 Steering wheel control F32 Not used F33 HVAC F34 Center gateway module F35 Integrated chassis control module F36 Charger F37 Auxiliary power outlet/Cigar lighter F38 OnStar F39 Monitor F40 Object detection F41 Body control module 1 On/Off F42 Radio F43 Rear accessory power outlet F44 Front accessory power outlet
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Assignment of the relays in the Passenger compartment
Fuse Data
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No. Description K1 Not used K2 Retained accessory power K3 Not used K4 Not used K5 Logistics
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To remove the fuse block cover, squeeze the three retaining clips on the cover and lift it straight up.
Assignment of the fuses in the engine compartment
Fuse Data
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No. Description 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 Not used 16 Front wipers 17 Passenger power seat 18 Sun shade 19 Driver power seat 21 Sunroof 22 Rear wiper 23 Auto headlamp leveling 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 RDCM 50 Not used 51 Not used 52 Not used 53 Not used 54 Not used 55 Not used 56 Starter 57 Not used 58 Not used 59 Left LED lamps 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 Not used 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 95 Water change air coolant pump 96 Fuel heater 97 Not used 99 Not used
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Assignment of the relays in the engine compartment
Fuse Data
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No. Description 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
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