The Chevrolet Epica (2006-2013) is a mid-size sedan designed for comfort and functionality. Like most vehicles, it relies on a complex electrical system that uses fuses and relays to protect and manage various components.

The fuse box in the Chevrolet Epica is typically located in the engine compartment and inside the cabin. The engine compartment fuse box protects high-power systems such as the engine control unit, headlights, and cooling fans. The interior fuse box manages lower-power systems like the radio, power windows, and interior lights. Each fuse safeguards the electrical circuits by cutting off the power in case of an overload, preventing damage to the components.

Relays in the Epica function as switches for high-current devices like the starter motor, fuel pump, and air conditioning. These relays allow lower-power systems to control these high-demand components efficiently and safely. Regular checks on the fuses and relays are essential to maintaining the vehicle’s electrical health and preventing potential issues with critical systems, ensuring the smooth operation of the vehicle.

MUST READ: DYI – How to Check Car Fuses?

(2006-2013) Chevrolet Epica 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 Epica 2006-2013 fuse assignment

  • Cigar lighter (power outlet) fuses in the Chevrolet Epica are located in the Instrument panel fuse box (see fuses “LTR” (Cigarette Lighter) and “HTD/SEAT” (Heating Mat, Accessory Power Outlet)).

Year of production: from 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013

In the passenger compartment

Chevrolet Epica V250 2006 2013 Passenger Compartment Fuse Location
Chevrolet Epica V250 2006 2013 Passenger Compartment Fuse Location

It is located on the left side at the end of the dashboard.

Chevrolet Epica V250 2006 2013 Passenger Compartment Fuse box
Chevrolet Epica V250 2006 2013 Passenger Compartment Fuse box

General view.

Chevrolet Epica V250 2006 2013 Passenger Compartment Fuse box v2
Chevrolet Epica V250 2006 2013 Passenger Compartment Fuse box v2

Access example.

Chevrolet Epica V250 2006 2013 Passenger Compartment Fuse box Diagram
Chevrolet Epica V250 2006 2013 Passenger Compartment Fuse box Diagram
Diagram
No.AmpsDescription
F110Instrument cluster, information display unit, LCM, RKE module, TCM, PNP switch
F225Wiper / Washer Switch, Wiper Motor, Rain Sensor Unit
F350Not used
F410ISU, fan relay, MTC / FATC switch, mode select actuator, recirculation actuator
F510Front courtesy light / sunroof switch, LCM, digital clock
F610Audio system, navigation module
F720Heated Carpet Switch – Driver / Passenger
F820Audio system
F910Instrument Cluster, MTC / FATC Switch, Digital Clock, Information Display Unit, LCM, Inserted Key Switch, RKE Module
F1010HR
F1110Passenger airbag / seat belt warning lamp, PPD sensor
F1210Spare
F1310LCM
F1420Additional socket, cigarette lighter
F1520Speaker subwoofer
F1650Shift Lever, PNP Switch, Reverse Switch, ECM Mirror, Brake Switch, Instrument Cluster
F1750ECM, fuel pump module, automatic transaxle, MAF sensor
F1810ISU, wiper / washer switch
F1910Power Mirror – Driver / Passenger, MTC / FATC Switch
F2050Not used
F2150SSPS module
F2250DLC, trunk opening switch
F2330Electronic brake control unit

In the engine compartment

Main fuse box

Chevrolet Epica V250 2006 2013 Engine compartment Fuse Location
Chevrolet Epica V250 2006 2013 Engine compartment Fuse Location

Located next to the coolant reservoir and battery. Closed with a plastic cover.

Chevrolet Epica V250 2006 2013 Engine compartment Fuse box
Chevrolet Epica V250 2006 2013 Engine compartment Fuse box

General view.

Chevrolet Epica V250 2006 2013 Engine compartment Fuse box diagram
Chevrolet Epica V250 2006 2013 Engine compartment Fuse box diagram
Diagram
No.AmpsDescription
Ef130Fan relay
Ef260Switch block with built-in logic
Ef360Electronic brake control unit
Ef430Egnition lock
Ef520Power window / driver door lock switch
Ef630
40
Cooling Fan High Speed ​​Relay
Ef720
40
Cooling fan low speed relay
Ef830Ignition switch, starter relay
Ef950Spare
Ef1010Spare
Ef1120Spare
Ef1225Spare
Ef1330Spare
Ef1410Not used
Ef1520Sunroof assembly
Ef1650ECM, ABS oil supply line connector
Ef1750Headlight – left / right
Ef1820Safe power window assembly
Ef1910Multifunction switch
Ef2010Headlight – right, parking light – right, rear side light – right
Ef2130LCM
Ef2225Dashboard fuse box
Ef2320Brake switch
Ef2410Headlight – left, parking light – left, tail light – left, license plate lighting
Ef2530Driver’s seat switch with electric adjustment
Ef2620Fuel pump module
Ef2750ECM, engine main relay, automatic transaxle
Ef2820Gasoline: Ignition coils 1 ~ 6
Diesel: –
Ef2950Horn relay
Ef3050Gasoline: Injectors 1 ~ 6, Vehicle Speed ​​Sensor (VSS), Carbon Filter Purge Solenoid Valve
Diesel: ECM, VSS, PTC-1/2/3 Heater Relay
Ef3120ECM
Ef32
Ef3350Gasoline: EGR Solenoid, Generator, ECM, VIM Solenoid, Oxygen Sensor, CMP Sensor, MAF Sensor, Carbon Filter Vent Solenoid
Diesel: Boost Control Actuator, CMP Sensor, Throttle Valve Actuator, EGR Solenoid, Fuel Heater Relay , WIF sensor, glow plug controller
Ef3450Front fog lamp relay
Ef3510Headlight – left
Ef3620Amplifier
Ef3710Headlight – right, multifunction switch
Ef38
Ef3910A / C compressor relay
Relay
R1Cooling fan control relay
R2Cooling Fan Relay – High Speed
R3Fuel pump relay
R4A / C compressor electromagnetic clutch relay
R5Front fog lamp relay
R6Horn relay
R7Cooling Fan Relay – Low Speed
R8Low beam relay
R9Main relay
R10Starter relay
R11Side light relay
R12High beam relay
R13Power window relay

Additional fuse box (diesel only)

Chevrolet Epica V250 2006 2013 Diesel Engine compartment
Chevrolet Epica V250 2006 2013 Diesel Engine compartment

The sub-fuse box #2 in the engine compartment is located next to the dash panel.

Chevrolet Epica V250 2006 2013 Diesel Engine compartment 002
Chevrolet Epica V250 2006 2013 Diesel Engine compartment
Diagram
No.Description
1PTC 3 Auxiliary heater
2PTC 2 Auxiliary heater
3PTC 1 Auxiliary heater
4Fuel filter heater relay
F1(40A) Auxiliary heater
F2(40A) Auxiliary heater
F3(40A) Auxiliary heater
F4(30A) Fuel filter heater
F5(60A) Glow plugs

Logic Switch Box

Diagram.

Chevrolet Epica V250 2006 2013 Logic Switch Box
Chevrolet Epica V250 2006 2013 Logic Switch Box
No.AmpsDescription
A50Breaker
B5Integrated Logic Switch Block Power
C50Door lock
D25Front wiper
E20Electric window regulator
F30Heating glass

Conclusion

For owners and enthusiasts of classic Chevrolet Epica 2006-2013, 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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