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

The location of the fuses in the passenger compartment: Chevrolet Cruze (J300; 2008-2016)
The location of the fuses in the passenger compartment: Chevrolet Cruze (J300; 2008-2016)

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

Instrument panel fuse box diagram: Chevrolet Cruze (2008-2016)
Instrument panel fuse box diagram: Chevrolet Cruze (2008-2016)

Assignment of the fuses and relay in the Instrument Panel

DescriptionA
1Mobile Telephone Control Module10
2Not Used
3Body Control Module25
4Radio20
5Parking Assist Control Module, Power Sounder, Multifunction Switch – Centre Console, Display7.5
6Cigar Lighter – Front20
7Accessory Power Outlet – Centre Console 1/220
8Body Control Module30
9Body Control Module30
10Body Control Module30
11Blower Motor Control Module40
12Not Used
13Heated Seat Control Module25
14Data Link Connector, Oil Feeding Connector7.5
15Inflatable Restraint Sensing and Diagnostic Module10
16Rear Compartment Lid Release Relay10
17HVAC Control Module / HVAC Control Assembly15
18Not Used
19Not Used
20Not Used
21Instrument Cluster15
22Ignition Switch / Remote Control Door Lock Receiver2
23Body Control Module20
24Body Control Module20
25Steering Column Lock Control Module20
26Not Used
Relays:
1Rear Compartment Lid Release
2Logistic Mode Relay 1
3Auxiliary Power Relay

Engine Compartment Fuse Box

Fuse Box Location

The location of the fuses in the engine compartment: Chevrolet Cruze (J300; 2008-2016)
The location of the fuses in the engine compartment: Chevrolet Cruze (J300; 2008-2016)

It is located in the engine compartment, under the cover.

Fuse box diagram

Under-hood fuse box diagram: Chevrolet Cruze (2008-2016)
Under-hood fuse box diagram: Chevrolet Cruze (2008-2016)

Assignment of the fuses and relay in the Engine Compartment

DescriptionA
1Transmission Control Module15
2Engine Control Module15
3Not Used
5Transmission Control Module, Engine Control Module, Mass Air Flow/Intake Air Temperature Sensor, Output Speed Sensor15
6Windshield Wiper Relays30
7Not Used
8Fuel injectors15
9Ignition Coil, Fuel Injectors15
10Engine Control Module, Output Speed Sensor15
11Heated Oxygen Sensors10
12Starter Motor30
13Evaporative Emission (EVAP) Canister Vent Solenoid Valve7.5
14Not Used
15Not Used
16Air Quality Sensor7.5
17Inflatable Restraint Sensing and Diagnostic Module5
18Fuel Pump Control Module10
19Not Used
20Fuel Pump Relay20
21Windows Motors, Front Door30
22Not Used
23Not Used
24Windows Motors, Front Door30
25Not Used
26Electronic Brake Control Module (EBCM)40
27Remote Control Door Lock Receiver30
28Rear Demister Grid40
29Not Used
30Electronic Brake Control Module (EBCM)15
31Body Control Module20
32Body Control Module20
33Heated Seat Control Module30
34Sunroof Control Module25
35Audio Amplifier30
36Not Used
37Headlamp – Right Main beam10
38Headlamp – Left Main beam10
39Not Used
40Not Used
41Not Used
42Cooling Fan Relays, Cooling Fan Motor20/30
43Not Used
44Not Used
45Cooling Fan High Speed Relay, Cooling Fan Motor30/40
46Cooling Fan Relays10
47Heated Oxygen Sensors, Throttle Body10
48Fog Lights, Front15
49Not Used
50Not Used
51Horn15
52Instrument Cluster5
53Inside Rearview Mirror10
54Headlamp Switch, Electrical Auxiliary Heater, HVAC Control Module5
55Window Switches, Front, Mirror Switch7.5
56Windscreen Washer Pump15
57Steering Column Lock Control Module15
58Not Used
59Fuel Heater30
60Outside Rearview Mirrors7.5
61Not Used
62A/C Compressor Clutch Relay, A/C Compressor Clutch10
63Not Used
64Inflatable Restraint Sensing and Diagnostic Module5
65Not Used
66Not Used
67Fuel Pump Control Module20
68Not Used
69Body Control Module5
70Rain Sensor5
71Not Used
Relays
1A/C Compressor Clutch
2Starter
3Cooling Fan
4Windshield Wiper Speed Control
5Windshield Wiper
6Not Used
7Powertrain
8Fuel Pump
9Cooling Fan Medium Speed 1
10Cooling Fan Medium Speed 2
11Not Used
12Cooling Fan Speed Control (Or in Relay Block – Under-bonnet)
13Cooling Fan High Speed Relay
14Not Used
15Ignition Main Relay
16Fuel Heater Relay
17Rear 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

Engine Pre-Fuse Box: Chevrolet Cruze (2008-2016)
Engine Pre-Fuse Box: Chevrolet Cruze (2008-2016)

It is located on the battery terminal.

Engine Pre-Fuse Box: Chevrolet Cruze (2008-2016)
Engine Pre-Fuse Box: Chevrolet Cruze (2008-2016)

Engine Pre-Fuse Box

DescriptionA
1Fuse Block – Instrument Panel100
2Fuse Block – Instrument Panel100
3Electrical Power Steering (EPS) (NJ1)80
4Not Used
5Fuse Block – Battery Auxiliary250
6Starter Motor250/500
Chevrolet Cruze (2008-2016)
Chevrolet Cruze (2008-2016)
DescriptionA
5Glow Plug Control Module80
6Electrical Auxiliary Heater100
7Not Used
8Not Used

Relay Box

Relays: Chevrolet Cruze (2008-2016)
Relays: Chevrolet Cruze (2008-2016)

Relays

Relays
1Cooling Fan Left Medium Speed Relay
2Cooling Fan Speed Control 2 Relay
3Cooling 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.

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