The Chevrolet Cruze (J300) from 2008-2016 is a compact sedan that gained popularity for its reliability and efficient performance. The vehicle’s electrical system relies on fuses and relays to manage and protect its various components.
The fuse box in the Cruze J300 is located in two main areas: the engine compartment and inside the cabin. The engine compartment fuse box protects high-power systems such as the engine control module, headlights, and cooling fans, while the interior fuse box controls lower-power systems like the radio, power windows, and interior lighting. Fuses in these boxes protect circuits from overloads or short circuits by breaking the connection when issues arise.
Relays in the Cruze J300 serve as switches for high-current components like the fuel pump, starter motor, and air conditioning system. These relays enable low-power circuits to control high-power devices safely and efficiently. Ensuring regular maintenance and checks on the fuses and relays is crucial for preventing electrical issues, ensuring smooth operation, and extending the life of the vehicle’s critical electrical systems.
MUST READ: DYI – How to Check Car Fuses?
(2008-2016) Chevrolet Cruze (J300) fuse box and relay with Diagram
WARNING
- Never replace a fuse with one that has a higher amperage rating.
- A fuse with a too-high amperage could damage the electrical part and cause a fire.
- On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
- If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
- Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
Chevrolet Cruze (J300) 2008-2016 fuse assignment
- Cigar lighter / power outlet fuses in the Chevrolet Cruze are the fuses №6 (Cigar Lighter – Front) and №7 (Accessory Power Outlet – Centre Console 1/2) in the Instrument panel fuse box.
Year of production: from 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
Instrument Panel Fuse Box
Fuse Box Location
It is located in the instrument panel (on the driver’s side), behind under the cover to the left of the steering wheel.
Fuse box diagram
Assignment of the fuses and relay in the Instrument Panel
| № | Description | A |
|---|---|---|
| 1 | Mobile Telephone Control Module | 10 |
| 2 | Not Used | – |
| 3 | Body Control Module | 25 |
| 4 | Radio | 20 |
| 5 | Parking Assist Control Module, Power Sounder, Multifunction Switch – Centre Console, Display | 7.5 |
| 6 | Cigar Lighter – Front | 20 |
| 7 | Accessory Power Outlet – Centre Console 1/2 | 20 |
| 8 | Body Control Module | 30 |
| 9 | Body Control Module | 30 |
| 10 | Body Control Module | 30 |
| 11 | Blower Motor Control Module | 40 |
| 12 | Not Used | – |
| 13 | Heated Seat Control Module | 25 |
| 14 | Data Link Connector, Oil Feeding Connector | 7.5 |
| 15 | Inflatable Restraint Sensing and Diagnostic Module | 10 |
| 16 | Rear Compartment Lid Release Relay | 10 |
| 17 | HVAC Control Module / HVAC Control Assembly | 15 |
| 18 | Not Used | – |
| 19 | Not Used | – |
| 20 | Not Used | – |
| 21 | Instrument Cluster | 15 |
| 22 | Ignition Switch / Remote Control Door Lock Receiver | 2 |
| 23 | Body Control Module | 20 |
| 24 | Body Control Module | 20 |
| 25 | Steering Column Lock Control Module | 20 |
| 26 | Not Used | – |
| Relays: | ||
| 1 | Rear Compartment Lid Release | |
| 2 | Logistic Mode Relay 1 | |
| 3 | Auxiliary Power Relay |
Engine Compartment Fuse Box
Fuse Box Location
It is located in the engine compartment, under the cover.
Fuse box diagram
Assignment of the fuses and relay in the Engine Compartment
| № | Description | A |
|---|---|---|
| 1 | Transmission Control Module | 15 |
| 2 | Engine Control Module | 15 |
| 3 | Not Used | – |
| 5 | Transmission Control Module, Engine Control Module, Mass Air Flow/Intake Air Temperature Sensor, Output Speed Sensor | 15 |
| 6 | Windshield Wiper Relays | 30 |
| 7 | Not Used | – |
| 8 | Fuel injectors | 15 |
| 9 | Ignition Coil, Fuel Injectors | 15 |
| 10 | Engine Control Module, Output Speed Sensor | 15 |
| 11 | Heated Oxygen Sensors | 10 |
| 12 | Starter Motor | 30 |
| 13 | Evaporative Emission (EVAP) Canister Vent Solenoid Valve | 7.5 |
| 14 | Not Used | – |
| 15 | Not Used | – |
| 16 | Air Quality Sensor | 7.5 |
| 17 | Inflatable Restraint Sensing and Diagnostic Module | 5 |
| 18 | Fuel Pump Control Module | 10 |
| 19 | Not Used | – |
| 20 | Fuel Pump Relay | 20 |
| 21 | Windows Motors, Front Door | 30 |
| 22 | Not Used | – |
| 23 | Not Used | – |
| 24 | Windows Motors, Front Door | 30 |
| 25 | Not Used | – |
| 26 | Electronic Brake Control Module (EBCM) | 40 |
| 27 | Remote Control Door Lock Receiver | 30 |
| 28 | Rear Demister Grid | 40 |
| 29 | Not Used | – |
| 30 | Electronic Brake Control Module (EBCM) | 15 |
| 31 | Body Control Module | 20 |
| 32 | Body Control Module | 20 |
| 33 | Heated Seat Control Module | 30 |
| 34 | Sunroof Control Module | 25 |
| 35 | Audio Amplifier | 30 |
| 36 | Not Used | – |
| 37 | Headlamp – Right Main beam | 10 |
| 38 | Headlamp – Left Main beam | 10 |
| 39 | Not Used | – |
| 40 | Not Used | – |
| 41 | Not Used | – |
| 42 | Cooling Fan Relays, Cooling Fan Motor | 20/30 |
| 43 | Not Used | – |
| 44 | Not Used | – |
| 45 | Cooling Fan High Speed Relay, Cooling Fan Motor | 30/40 |
| 46 | Cooling Fan Relays | 10 |
| 47 | Heated Oxygen Sensors, Throttle Body | 10 |
| 48 | Fog Lights, Front | 15 |
| 49 | Not Used | – |
| 50 | Not Used | – |
| 51 | Horn | 15 |
| 52 | Instrument Cluster | 5 |
| 53 | Inside Rearview Mirror | 10 |
| 54 | Headlamp Switch, Electrical Auxiliary Heater, HVAC Control Module | 5 |
| 55 | Window Switches, Front, Mirror Switch | 7.5 |
| 56 | Windscreen Washer Pump | 15 |
| 57 | Steering Column Lock Control Module | 15 |
| 58 | Not Used | – |
| 59 | Fuel Heater | 30 |
| 60 | Outside Rearview Mirrors | 7.5 |
| 61 | Not Used | – |
| 62 | A/C Compressor Clutch Relay, A/C Compressor Clutch | 10 |
| 63 | Not Used | – |
| 64 | Inflatable Restraint Sensing and Diagnostic Module | 5 |
| 65 | Not Used | – |
| 66 | Not Used | – |
| 67 | Fuel Pump Control Module | 20 |
| 68 | Not Used | – |
| 69 | Body Control Module | 5 |
| 70 | Rain Sensor | 5 |
| 71 | Not Used | – |
| Relays | ||
| 1 | A/C Compressor Clutch | |
| 2 | Starter | |
| 3 | Cooling Fan | |
| 4 | Windshield Wiper Speed Control | |
| 5 | Windshield Wiper | |
| 6 | Not Used | |
| 7 | Powertrain | |
| 8 | Fuel Pump | |
| 9 | Cooling Fan Medium Speed 1 | |
| 10 | Cooling Fan Medium Speed 2 | |
| 11 | Not Used | |
| 12 | Cooling Fan Speed Control (Or in Relay Block – Under-bonnet) | |
| 13 | Cooling Fan High Speed Relay | |
| 14 | Not Used | |
| 15 | Ignition Main Relay | |
| 16 | Fuel Heater Relay | |
| 17 | Rear Window Defogger | |
| Non-serviceable Relay (Printed Circuit Board (PCB)): | ||
| – | Horn Relay | |
| – | Windscreen Washer Pump Relay | |
| – | Front Fog Lamp Relay | |
| – | Headlamp High Beam Relay |
Engine Pre-Fuse Box
It is located on the battery terminal.
Engine Pre-Fuse Box
| № | Description | A |
|---|---|---|
| 1 | Fuse Block – Instrument Panel | 100 |
| 2 | Fuse Block – Instrument Panel | 100 |
| 3 | Electrical Power Steering (EPS) (NJ1) | 80 |
| 4 | Not Used | – |
| 5 | Fuse Block – Battery Auxiliary | 250 |
| 6 | Starter Motor | 250/500 |
| № | Description | A |
|---|---|---|
| 5 | Glow Plug Control Module | 80 |
| 6 | Electrical Auxiliary Heater | 100 |
| 7 | Not Used | – |
| 8 | Not Used | – |
Relay Box
Relays
| № | Relays |
|---|---|
| 1 | Cooling Fan Left Medium Speed Relay |
| 2 | Cooling Fan Speed Control 2 Relay |
| 3 | Cooling Fan Right Medium Speed Relay |
Conclusion
For owners and enthusiasts of classic Chevrolet Cruze (J300) 2008-2016, understanding the fuse box and relay systems is essential for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, preserving its status as a symbol of Chevrolet’s craftsmanship and innovation in the automotive industry during that era.
