Holden Trailblazer 2018 Fuse Box Info
Passenger compartment fuse box location:
The fuse box is behind the instrument panel cap.
Engine compartment fuse box location:
Fuse Box Diagram | Layout
Passenger compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 20A | Body Control Module (6) |
| 3 | 20A | Cigarette Lighter (if available) |
| 6 | 20A | Front and Rear Power Outlets (if available) |
| 7 | 30A | Body Control Module (8) |
| 10 | 20A | Radio (if available) |
| 11 | 2A | Ignition Switch |
| 12 | 15A | Side Blind Zone (SBZ) (If available) |
| 13 | 15A | Body Control Module (3) |
| 14 | 10A | Front A/C Control Module |
| 15 | 15A | Seat Heated (If available) |
| 16 | 15A | Body Control Module (1) |
| 17 | 30A | Front Door Power Window Switch |
| 18 | 10A | Rear A/C Blower |
| 19 | 30A | Rear Door Power Window Switch (if available) |
| 20 | 15A | Body Control Module (4) |
| 21 | 10A | Spare |
| 22 | 30A | Power Seat (if available) |
| 25 | 10A | Sensing and Diagnose Module (SDM) |
| 26 | 15A | Body Control Module (2) |
| 27 | 2A | Clock Spring |
| 28 | 7.5A | Data Link Connector (DLC) |
| 31 | 10A | Instrument Panel Cluster (IPC), Displays - Radio (Center Stack), USB |
| 33 | 10A | Central Gateway Module (CGM) - Cyber Security |
| 34 | 30A | Front A/C Blower |
| 35 | 30A | Rear A/C Blower |
| 37 | 10A | Front Collision Alert (FCA) / Rain Sensor (if available) |
| 39 | 10A | Rear View Mirrors (if available) |
| 53 | 40A | BUS-C (fuses: F12, F33, F37, F39, F40) |
| 54 | 40A | Accessory (12V) |
| RLY43 | Rear A/C Blower | |
| RLY45 | C-Enable | |
| RLY46 | RAP and Accessory (12V) | |
| RLY47 | RAP and Accessory (12V) | |
| RLY48 | Run relay |
Engine compartment fuse box:
| Fuse/Relay N° | Rating | Functions |
| 1 | 10A | Compressor A/C Clutch |
| 2 | Not Used | |
| 3 | 15A | Electric Power Steering (EPS) (if available) |
| 4 | Not Used | |
| 5 | 15A | Horn |
| 6 | 15A | Front Fog Lamp (if available) |
| 7 | 10A | High Beam LH |
| 8 | 10A | High Beam RH |
| 9 | 7.5A | Engine Control Module - (Diesel) |
| 10 | 15A | Powertrain Relay (3) – (Diesel) |
| 11 | 20A | Engine Control Module (1) (Diesel) |
| 12 | 10A | Powertrain Relay (1) |
| 13 | 10A | Powertrain Relay (2) |
| 14 | 15A | Powertrain Relay (4) |
| 15 | 15A | Run Crank Relay Signal |
| 16 | 15A | Automatic Transmission Control Module (if available) |
| 17 | 10A | Transfer Case Module, Head Lamp Leveling, Trailer Interface Module (if available) |
| 18 | 10A | Power Supply Cluster - A/C - Airbag Module |
| 19 | 20A | Fuel Pump (Diesel) |
| 20 | Not Used | |
| 21 | 30A | Rear Defogger (if available) |
| 22 | 15A | Outside Rear View Mirror Defogger (if available) |
| 23 | - | Not Used |
| 24 | 20A | Rear Wiper (SUV) |
| 25 | 10A | Front / Rear (SUV) Washer Pump |
| 26 | 10A | Park Assist (if available) |
| 27 | 5A | Body Control Module |
| 28 | Auxiliary Lamps Provision (If equipped) | |
| 29 | 30A | ABS or ESC Module (if available) |
| 30 | 10A | Horn |
| 31 | 15A | Body Control Module |
| 32 | 15A | Engine Control Module (Battery) (Diesel) |
| 33 | 10A | Communication Wire Between Modules |
| 34 | 30A | Trailer Hitch Module (if available) |
| SB01 | 50A | ABS or ESC Module Pump (if available) |
| SB02 | 30A | Transfer Case Control Module (4X4) (if available) |
| SB03 | 60A | Preheating Glow Plug Module (Diesel) |
| SB04 | - | |
| SB05 | 30A | Starter Motor Solenoid |
| SB06 | 30A | Front Wiper |
| SB07 | 30A | Fuel Heater (Diesel) |
| SB08 | Not Used (Diesel) | |
| SB09 | 30A | Spare |
| RLY01 | Starter | |
| RLY03 | High Beam | |
| RLY05 | Not Used | |
| RLY08 | Front Wiper Control | |
| RLY09 | Front Wiper Speed | |
| RLY10 | Rear Defogger and Outside Rear View Mirror Defogger (if available) | |
| RLY11 | Powertrain | |
| RLY12 | A/C Clutch | |
| RLY13 | Fuel Heater (Diesel) | |
| RLY14 | Not Used (Diesel) | |
| RLY15 | Not Used | |
| RLY18 | Run Crank | |
| RLY19 | Fuel Pump (Diesel) |
