Chevrolet Avalanche (2007) – fuse box diagram
Year of production: 2007
Instrument panel fuse block
The access door to the instrument panel fuse block is located on the edge of the instrument panel on the driver’s side.
| Fuses | Application |
| LT DR | Driver’s side window switch |
| REAR SEAT | Rear seats |
| AUX PWR2 | Power outlets in the trunk |
| SWC BKLT | Illumination of the controls on the steering wheel |
| DDM | Driver’s door module |
| CTSY | Dome lamps, driver-side turn signal |
| LT STOP TRN | Driver side turn signal, stop light |
| DARK | Instrument panel illumination |
| RT STOP TRN | Passenger side turn signal, stop light |
| BCM | Body control module |
| UNLCK2 | Power Door Lock 2 (unlocking function) |
| LCK2 | Power Door Lock 2 (locking function) |
| STOP LAMPS | Stop lights, center mounted stop light |
| REAR HVAC | Rear air conditioning |
| PDM | Passenger door module, universal home remote system |
| AUX PWR | Additional power outlets |
| IS LPS | Interior lamps |
| UNLCK1 | Power door lock 1 (unlock function) |
| OBS DET | Ultrasonic rear parking assist, electric liftgate |
| LCK1 | Power door lock 1 (locking function) |
| REAR CAP | Rear windshield wiper |
| COOLED SEATS | Not used |
| DSM | Driver’s seat module, remote keyless entry system |
| Harness connector | Use |
| LT DR | Driver’s door wiring harness connection |
| BODY | Harness connector |
| WHOLE | Harness connector |
Fuse block in the center instrument panel
The center fuse block of the instrument panel is located under the instrument panel, to the left of the steering column.
Top view
fuse box diagram -.
center instrument panel (top view)
| Harness connector | Using |
| BODY 2 | Body 2 wiring harness connector |
| BODY 1 | Body wire harness connector 1 |
| BODY 3 | Body wire harness connector 3 |
| BODY 3 | Headliner wire harness connector 3 |
| HEADER 2 | Headliner wire harness connector 2 |
| HEADER 1 | Headliner wiring harness connector 1 |
| BRAKE CLUTCH | Brake clutch wiring harness connector |
| SEO / UPFITTER | Wiring harness connector for optional special equipment |
| Circuit breaker | Application |
| CB1 | Passenger side window switch |
| CB2 | Passenger seat automatic switch |
| CB3 | Driver’s seat automatic switch |
| CB4 | Not used |
Under hood fuse block
The fuse box under the hood is located in the engine compartment, on the driver’s side of the vehicle. Lift the cover to access the fuse/relay block.
| Fuses | Use |
| 1 | Unused |
| 2 | Electronic suspension stability control, exhaust system with automatic level control |
| 3 | Left stop/trailer turn light |
| 4 | Engine control |
| 5 | Engine control module, throttle control |
| 6 | Right stop/trailer turn light |
| 7 | Front pad |
| 8 | Oxygen sensors |
| 9 | Anti-lock brake system 2 |
| 10 | Trailer backup lamps |
| 11 | Driver side low beam headlamp |
| 12 | Engine control module (battery) |
| 13 | Fuel injectors, ignition coils (right side) |
| 14 | Transmission control module (battery) |
| 15 | Vehicle emergency lights |
| 16 | Passenger side low beam headlight |
| 17 | Air conditioning compressor |
| 18 | Oxygen sensors |
| 19 | Transmission control (ignition) |
| 20 | Fuel pump |
| 21 | Unused |
| 22 | Rear washers |
| 23 | Fuel injectors, ignition coils (left side) |
| 24 | Trailer parking lamps |
| 25 | Parking lights on the driver’s side |
| 26 | Parking lights on the passenger side |
| 27 | Fog lights |
| 28 | Horn |
| 29 | Passenger side high beam headlamp |
| 30 | Daytime running lights |
| 31 | Driver side high beam headlamp |
| 32 | Unused |
| 33 | Sunroof |
| 34 | Key ignition system, anti-theft system |
| 35 | Windshield wiper |
| 36 | Use of SEO B2 Upfitter (battery) |
| 37 | Electric adjustable pedals |
| 38 | Air conditioning control (battery) |
| 39 | Airbag system (ignition) |
| 40 | Amplifier |
| 41 | Public address system |
| 42 | Four-wheel drive |
| 43 | Miscellaneous (ignition), reversing camera, cruise control |
| 44 | Liftgate release |
| 45 | OnStar®, rear seat entertainment display |
| 46 | Instrument panel instrument cluster |
| 47 | Unused |
| 48 | Unused |
| 49 | Auxiliary air conditioning (ignition), compass temperature mirror |
| 50 | Rear fogger |
| 51 | Airbag system (battery) |
| 52 | Use of SEO B1 Upfitter (battery) |
| 53 | Cigarette lighter, auxiliary power outlet |
| 54 | Automatic level control compressor relay, use of SEO Upfitter |
| 55 | Air conditioning control (ignition) |
| 56 | Engine control module, auxiliary fuel pump (ignition) |
| J-Case fuses | Use of |
| 60 | Cooling fan 1 |
| 61 | Compressor with automatic level control |
| 62 | Robust anti-blocking system |
| 63 | Cooling fan 2 |
| 64 | Anti-lock braking system 1 |
| 65 | Starter |
| 66 | Stud 2 (Trailer brakes) |
| 67 | Left bus electrical center 1 |
| 68 | Electric running boards |
| 69 | Heated windshield washer system |
| 70 | Four-wheel drive system |
| 71 | Pin 1 (trailer connector battery supply) |
| 72 | Mid-range electrical center 1 |
| 73 | Air conditioning blower |
| 74 | Liftgate module |
| 75 | Electric center with left side bus 2 |
| Relays | Application |
| FAN HI | High speed cooling fan |
| FAN LO | Low cooling fan speed |
| ENG EXH VLV | Not used |
| FAN CNTRL | Cooling fan control |
| HDLP LO / HID | Dipped beam headlamp |
| FOG LIGHT | Front fog light |
| A / C CMPRSR | A/C compressor |
| STRTR | Starter |
| PWR / TRN | Drive system |
| FUEL PMP | Fuel pump |
| PRK LAMP | Parking lights |
| REAR DEFOGGER | Rear defogger |
| RUN / CRANK | Switchable power |
WARNING: Terminal and wire harness assignments for individual connectors will vary depending on vehicle equipment level, model and market.