The Chevrolet Trax, produced from 2013 to 2017, is a compact SUV designed to meet the demands of urban driving with its practical size, fuel efficiency, and versatile features. The vehicle’s electrical system is vital for operating its numerous functionalities, and the fuse box and relays play critical roles in maintaining and protecting this system.

The fuse box in the Chevrolet Trax is essential for safeguarding the vehicle’s electrical circuits. These circuits power critical systems, including engine management, lighting, climate control, infotainment, and various power accessories such as windows and locks. Typically, the Trax has two main fuse boxes: one located inside the cabin, generally beneath the dashboard on the driver’s side, and another in the engine compartment. The interior fuse box controls many of the comfort and convenience features, while the engine compartment fuse box handles the more crucial systems related to engine and powertrain operation.

Each fuse in these boxes is designed to protect a specific electrical circuit. When there’s an overload or a short circuit, the fuse will “blow,” cutting off power to prevent damage to the circuit and its connected components. This safety feature is crucial for preventing electrical fires and costly damage. For example, if the headlights or air conditioning stop working, the first step in troubleshooting should be to check the corresponding fuse.

Relays in the Chevrolet Trax are electrically operated switches that manage the power supply to high-current systems, such as the starter motor, fuel pump, and cooling fans. Relays allow these systems to be controlled by lower-power circuits, ensuring that the vehicle’s electrical wiring and switches are not overloaded. This setup enhances both the reliability and safety of the vehicle’s electrical systems.

Regular checks of the fuse box and relays are crucial for maintaining the Trax’s electrical integrity. If a fuse blows or a relay fails, replacing it with the correct specification is essential to restore the system’s functionality. Issues with relays can lead to more significant problems, such as preventing the engine from starting if the starter relay is compromised or overheating if the cooling fan relay fails.

By understanding and maintaining these components, owners can ensure their Chevrolet Trax runs efficiently and safely, with all electrical systems functioning as intended to provide a reliable and comfortable driving experience.

MUST READ: DYI – How to Check Car Fuses?

(2013-2017) Chevrolet Trax 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 Trax 2013-2017 fuse assignment

  • Cigar lighter (power outlet) fuses in the Chevrolet Trax are the fuses №. 21 (AC Accessory Power Outlet), №. 22 (Cigar Lighter/DC Accessory Power Outlet) in the Instrument panel fuse box.

Year of production: from 2013, 2014, 2015, 2016, 2017

Instrument Panel Fuse Box

Fuse box location

The location of the fuses in the passenger compartment: Chevrolet Trax (2013-2018)
The location of the fuses in the passenger compartment: Chevrolet Trax (2013-2018)

It is located on the underside of the driver side instrument panel, behind the storage compartment to the left of the steering wheel.

Fuse box diagram

Instrument panel fuse box diagram: Chevrolet Trax (2013, 2014, 2015, 2016, 2017, 2018)
Instrument panel fuse box diagram: Chevrolet Trax (2013, 2014, 2015, 2016, 2017, 2018)

Assignment of the fuses and relays in the Instrument Panel

Usage
Mini Fuses
1Body Control Module 1
2Body Control Module 2
3Body Control Module 3
4Body Control Module 4
5Body Control Module 5
6Body Control Module 6
7Body Control Module 7
8Body Control Module 8
9Discrete Logic Ignition Switch
10Sensing Diagnostic Module Battery
11Data Link Connector
12Heater, Ventilation, and Air Conditioning MDL
13Liftgate Relay
14UPA Module
15Inside Rearview Mirror
16Not Used
17Driver Power Window Switch
18Rain Sensor
19Body Control Module Regulated Voltage Control
20Steering Wheel Switch Backlighting
21A/C Accessory Power Outlet
22Cigar Lighter/DC Accessory Power Outlet
23Spare
24Spare
25Spare
26Automatic Occupant Sensing Display
SDM RC
27IPC/Compass Module
28Headlamp Switch/ DC Converter/Clutch Switch
29Spare
30Spare
31IPC Battery
32Radio/Chime
33Display
34OnStar (If Equipped)/VLBS
S/B Fuses
1PTC 1
2PTC 2
3Power Window Motor Front
4Power Window Motor Rear
5Logistic Mode Relay
6Spare
7Front Power Windows
8Rear Power Windows
Circuit Breaker
CB1Spare
Midi Fuse
M01PTC
Relays
RLY01Accessory/Retained Accessory Power
RLY02Liftgate
RLY03Spare
RLY04Blower Relay
RLY05Logistic Mode
Main Connector
J1IEC MAIN PWR CONNECTOR

Engine Compartment Fuse Box

Fuse box location

The location of the fuses in the engine compartment: Chevrolet Trax (2013-2018)
The location of the fuses in the engine compartment: Chevrolet Trax (2013-2018)

It is located in the engine compartment on the driver’s side.

Fuse box diagram

Under-hood fuse box diagram: Chevrolet Trax (2013, 2014, 2015, 2016, 2017, 2018)
Under-hood fuse box diagram: Chevrolet Trax (2013, 2014, 2015, 2016, 2017, 2018)

Assignment of the fuses and relays in the Engine Compartment

Usage
Mini Fuses
1Sunroof
2Outside Rearview Mirror Switch
3Canister Vent Solenoid (1 4L Only)
4Not Used
5Electronic Brake Control Module Valve
62013: IBS
7Not Used
8Transmission Control Module Battery
9Not Used
10Fuel System Control Module R/C (1.4L Only)/Headlamp Leveling
11Rear Wiper
12Rear Window Defogger
13Not Used
14Outside Rearview Mirror Heater
15Fuel System Control Module Battery (1.4L Only)
16Heated Seat Module
17Transmission Control Module R/C
18Lngine Control Module R/C
19Fuel Pump (1.8L Only)
20Not Used
21Fan Relay (Auxiliary Fuse Block – 1.4LV Fan 3 Relay 85 (1.8L)
22Cold Start Pump (1.8L Only)
23Ignition Coil/lnjectors
24Washer Pump
25Not Used
26Canister Purge Solenoid/Water Valve Solenoid/ Oxygen Sensors -Pre and Post/Turbo Wastegate Solenoid (1.4L)/Turbo Bypass Solenoid (1.4LV IMTV Solenoid (1.8L)
27Not Used
282013:
Gasoline: NOT USED
Diesel: ECM PT IGN-3
29Engine Control Module Powertrain Ignition 1/Ignition 2
30Mass Air How Sensor
Diesel: O2 SENSOR
31Left High-Beam Headlamp
32Right High-Beam Headlamp
33Engine Control Module Battery
34Horn
35Air Conditioning Compressor Clutch
36Front Fog Lamps
J-Case Fuses
1Electronic Brake Control Module Pump
2Front Wiper
3Blower Motor
4IEC A/C
5Not Used
62013:
Gasoline: NOT USED
Diesel: FUEL HEATER
7Not Used
8Cooling Fan Low/ Mid (1.4L)/Cooling Fan Low (1.8L)
9Cooling Fan High
102013:
Gasoline: EVP
Diesel: GLOW PLUG
11Starter Solenoid
U-Micro Relays
RLY2Fuel Pump (1.8L Only)
RLY4Spare
HC-Micro Relays
RLY7Starter
Mini Relays
RLY1Run Crank
RLY3Cooling Fan Mid (1.4L Only)
RLY5Powertrain Relay
RLY8Cooling Fan Low
HC-Mini Relays
RLY6Cooling Fan High

Auxiliary Relay Block

Auxiliary Relay Block: Chevrolet Trax (2013, 2014, 2015, 2016, 2017, 2018)
Auxiliary Relay Block: Chevrolet Trax (2013, 2014, 2015, 2016, 2017, 2018)

Auxiliary Relay Block

RelaysUsage
RLY01Electric Vacuum Pump
RLY02Cooling Han Control 1
RLY03Cooling Fan Control 2
RLY04Trailer (1.4L Only)

Rear Compartment Fuse Box

Fuse box location

The location of the fuses in the trunk: Chevrolet Trax
The location of the fuses in the trunk: Chevrolet Trax

It is located behind a cover on the left side of the rear compartment.

Fuse box diagram

Trunk fuse box diagram: Chevrolet Trax (2013, 2014, 2015, 2016, 2017, 2018)
Trunk fuse box diagram: Chevrolet Trax (2013, 2014, 2015, 2016, 2017, 2018)

Assignment of the fuses and relays in the Luggage Compartment

Usage
Mini Fuses
1Driver Seat Power Lumbar Switch
2Passenger Seat Power Lumbar Switch
3Amplifier
4Trailer Socket
5All-Wheel Drive Module
6Automatic Occupant Sensing Module
7Spare/LPG Module Battery
8Trailer Parking Lamps
9Spare
10Spare/Side Blind Zone Alert Module
11Trailer Module
12Nav Dock
13Heated Steering Wheel
14Trailer Socket
15EVP Switch
16Water In Fuel Sensor
17Inside Rearview Mirror/Regulated Voltage Control
18Spare/LPG Module Run/Crank
S/B Fuses
1Driver Power Seat Switch/Memory Module
2Passenger Power Seat Switch
3Trailer Module
4A/C-D/C Inverter
5Battery
6Headlamp Washer
7Spare
8Spare
9Spare
Relays
1Ignition Relay
2Run Relay

Conclusion

For owners and enthusiasts of classic Chevrolet Trax 2013-2017, 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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