Most of the electrical circuits in the american crossover are protected by fused. Powerful consumers are connected via relays. Most of the protective elements are located in the mounting blocks in the passenger compartment and under the hood.
Information on the diagrams is relevant for Chevrolet Tahoe (GMT900) 3rd generation 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 model year.
In the engine compartment
The fuse block is located on the driver's side. To access it, you need to remove the protective cover.
General view.
| Diagram | |
|---|---|
|
|
| No. / Name | Description of fuses |
| FAN HI | Cooling Fan - High Speed Mode |
| FAN LO | Cooling Fan - Low Speed Mode |
| FAN CNTRL |
Engine cooling fan control |
| HDLP LO / HID |
Low beam headlamp |
| FOG LAMP |
Fog lights |
| А / С CMPRSR |
Air conditioning compressor |
| STRTR | Starter |
| PWR / TRN | Power unit |
| FUEL PUMP | fuel pump relay |
| PRK LAMP | parking lights |
| REAR DEFOG | Heated rear window |
| RUN / CRNK |
Power switch |
| 1 | Right brake light / trailer turn signal |
| 2 | Lateral Roll Control System, Exhaust Gas Management System |
| 3 | Left brake light / indicator of turns of the trailer |
| 4 | Engine Management System Components |
| 5 | Engine control unit, throttle control |
| 6 | Trailer brake controller |
| 7 | Windshield washers |
| 8 | Oxygen sensors |
| 9 | Anti-lock braking system 2 |
| 10 | Trailer reversing lamp |
| 11 | Headlamp low beam, driver's side |
| 12 | Engine control unit (battery) |
| 13 | Fuel injectors, ignition coils (right side) |
| 14 | Transmission control unit (battery) |
| 15 | Car reversing lights |
| 16 | Passenger side dipped beam headlamp |
| 17 | Air conditioning compressor |
| 18 | Oxygen sensors |
| 19 | Transmission control (ignition circuit) |
| 20 | fuel pump fuse |
| 21 | Fuel system control unit |
| 22 | headlight washer |
| 23 | Rear window washer |
| 24 | Fuel injectors; ignition coils (left side) |
| 25 | Trailer side lights |
| 26 | Side lights, driver's side |
| 27 | Passenger side marker lights |
| 28 | Fog lights |
| 29 | Sound signal |
| 30 | Passenger side high beam headlamp |
| 31 | Daytime running lights (if equipped) |
| 32 | High beam, driver's side |
| 33 | Daytime running lights (DRL) 2 (if equipped) |
| 34 | Roof ventilation hatch |
| 35 | Ignition system, security system |
| 36 | Windshield wiper |
| 37 | SEO B2 Additional consumers (food) |
| 38 | Pedal unit adjustment drive |
| 39 | Climate control system (power supply) |
| 40 | Airbag System (Ignition) |
| 41 | Amplifier |
| 42 | Audio system |
| 43 | Various equipment (ignition); cruise control system |
| 44 | Tailgate lock actuator |
| 45 | Airbag system (power) |
| 46 | Instrument cluster |
| 47 | Not used |
| 48 | Additional climate control system (ignition) |
| 49 | Additional brake light |
| 50 | Heated rear window |
| 51 | Heated exterior mirrors |
| 52 | SEO B1 Additional consumers (food) |
| 53 | Tahoe cigarette lighter, additional power outlets (if equipped) |
| 54 | A / C compressor relay |
| 55 | Climate control system (ignition) |
| 56 | ECM, secondary fuel pump (ignition) |
| 57 | Cooling fan 1 |
| 58 | Compressor for automatic body position control |
| 59 | Anti-lock braking system of increased efficiency |
| 60 | Cooling fan 2 |
| 61 | Anti-lock braking system 1 |
| 62 | Starter |
| 63 | Strut 2 (trailer braking system) |
| 64 | Left switching center 1 |
| 65 | Electric footrests |
| 66 | Not |
| 67 | Transfer case |
| 68 | Rack 1 (power supply, trailer electrical connector) |
| 69 | Medium Sharing Center 1 |
| 70 | Climate control fan |
| 71 | Power tailgate control unit |
| 72 | Left switching center 2 |
In the passenger compartment
Fuse box #1
The fuse block is located on the driver's side at the end of the instrument panel.
General view.
| Diagram | |
|---|---|
|
|
| No. | Description |
| 1 | Second row seats |
| 2 | Additional power outlet |
| 3 | Illuminated steering wheel control buttons |
| 4 | Block located on the driver's door |
| 5 | Interior lighting, driver's side direction indicator |
| 6 | Driver side direction indicator, brake light |
| 7 | Instrument panel illumination |
| 8 | Passenger side direction indicator, brake light |
| 9 | Block located on the front passenger door |
| 10 | Locking switch 2 (door unlocking function) |
| 11 | |
| 12 | Stop lights, additional stop synap |
| 13 | Climate control system for passengers in the second row of seats |
| 14 | Exterior mirrors, electrically adjustable |
| 15 | Body electrical control unit (BCM) |
| 16 | Additional electrical outlets |
| 17 | Interior lampshades |
| 18 | Switch 1 for blocking (door wiping function) |
| 19 | Rear seat infotainment system. |
| 20 | Parking aid with ultrasonic sensors, electric tailgate |
| 21 | Locking switch 1 (door locking function) |
| 22 | Information Center (DIC) |
| 23 | Rear window wiper |
| 24 | Cooling seats |
| 25 | Driver's seat control unit, remote keyless entry system |
| 26 | Central lock switch (door release function) |
| LT DR | Power window drive, driver's side |
| LTDR | Driver's door wiring harness connector |
| BODY | Wire harness connector |
Fuse box #2
To the left of the steering column under the dash is the central fuse box located under the dash.
| Diagram | |
|---|---|
|
|
| Name | Description |
| CB1 | Front passenger door power window automatic protection |
| CB2 | Front passenger seat equipment circuit breaker |
| SVZ | Driver's seat equipment circuit breaker |
| CB4 | Rear sliding window |
| BODY 2 | Body Wiring Harness Connector 2 |
| BODY 1 | Body Wiring Harness Connector 1 |
| BODY 3 | Body Wiring Harness Connector 3 |
| HEADLINER 3 | Ceiling wire harness connector 3 |
| HEADLINER 2 | Ceiling Wire Harness Connector 2 |
| HEADLINER 1 | Ceiling wire harness connector 1 |
| SEO / UPFITTER |
Wiring harness connector for additional equipment |
Veeeeery goooooood