Cadillac CTS (2008-2014) fuse box and relay Diagrams

The Cadillac CTS, produced from 2008 to 2014, is a midsize luxury sedan known for its stylish design, strong performance, and advanced technology features. Its electrical system, which includes the fuse box and relay components, plays a crucial role in maintaining the vehicle’s functionality and reliability.

The fuse box in the Cadillac CTS from 2008 to 2014 contains various fuses that protect specific electrical circuits throughout the car. These circuits power essential components such as the engine control module, lighting systems, infotainment features, climate control, and more. Fuses are designed to interrupt the electrical flow if there is an overload or short circuit, preventing damage to sensitive components.

Relays in the Cadillac CTS act as electrically operated switches that control high-current circuits. They facilitate the precise activation and deactivation of functions like the starter motor, fuel pump, air conditioning compressor, and power windows or seats. Efficient power distribution by relays contributes significantly to the overall performance and reliability of the vehicle.

Regular inspection and maintenance of the fuse box and relays are essential to ensure the Cadillac CTS from 2008 to 2014 operates smoothly. This includes checking fuses for signs of wear or damage, ensuring secure relay connections, and promptly addressing any electrical issues that arise. Proper care of these components helps maintain the vehicle’s electrical integrity, enhancing safety and driving satisfaction for owners of the Cadillac CTS from 2008 to 2014.

MUST READ: DYI – How to Check Car Fuses?

(2008-2014) Cadillac CTS 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.

Cadillac CTS 2008-2014 fuse assignment

• Cigar lighter / power outlet fuses in the Cadillac CTS are located in the Engine compartment fuse box (2008-2009 – see fuse “LTR” (Cigarette Lighter), 2010-2014 – fuse №. 60 (Instrument Panel Auxiliary Power Outlet)) and in the Luggage compartment fuse box (2008-2009 – see fuse “AUX/OUTLET” (Auxiliary Power Outlet), 2010-2014 – fuses №. 17 (Console/Auxiliary Power Outlet and №. 38 (Rear Auxiliary Power Outlet (Wagon)).

Year of production: 2008, 2009, 2010, 2011, 2012, 2013, 2014

Engine compartment

Remove the engine cover.

Luggage compartment

It is located in the right side of the trunk, behind the cover.

Fuse box diagrams

2008, 2009

Engine compartment

CTS (2008)

CTS (2009)

CTS-V (2009)

Assignment of the fuses and relays in the engine compartment (2008, 2009)

Luggage compartment

Assignment of the fuses and relays in the Luggage compartment (2008, 2009)

2010, 2011, 2012, 2013, 2014

Engine compartment

Assignment of the fuses and relays in the Engine compartment (2010-2014)

Luggage compartment

Assignment of the fuses and relays in the Luggage compartment (2010-2014)

Conclusion

For owners and enthusiasts of classic Cadillac CTS 2008-2014, 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 Cadillac’s craftsmanship and innovation in the automotive industry during that era.