2024 Cadillac CT5 Fuses and Fuse Box | How to fix a Blown Fuse
The electrical system in the 2024 Cadillac CT5 is very complex. It uses a network of breakers to keep different parts from suffering from electrical overloads. These fuses are kept in a special fuse box, which is an important part of making sure the car’s electrical systems work well. The fuse box is placed smartly; it’s usually easy to get to from under the hood or inside the car. Because they break the circuit in the event of a power surge or other electrical problem, fuses protect important parts from damage. When a fuse blows, it stops the flow of electricity, which stops the machine from working. To fix a 2024 Cadillac CT5 fuse that has blown, you need to find the bad fuse (which is usually easy to spot because it has a broken wire inside it) and replace it with a new one of the same amperage. The Cadillac CT5’s electrical systems need to be serviced regularly and fuses need to be replaced as soon as they blow. This keeps the car running smoothly for its owners.
2024 Cadillac CT5 Specs, Price, Features, Mileage and Review
Electrical System
Electrical System Overload
The vehicle has fuses and circuit breakers to protect against an electrical system overload. When the current electrical load is too heavy, the circuit breaker opens and closes, protecting the circuit until the current load returns to normal or the problem is fixed. This greatly reduces the chance of circuit overload and fire caused by electrical problems.
Fuses and circuit breakers protect power devices in the vehicle.
If there is a problem on the road and a fuse needs to be replaced, the same amperage fuse can be borrowed. Choose some feature of the vehicle that is not needed to use and replace it as soon as possible.
To check a fuse, look at the band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to replace a bad fuse with a fuse of identical size and rating.
Replacing a Blown Fuse
- Turn off the ignition.
- Locate the fuse puller in the engine compartment fuse block.
- Use the fuse puller to remove the fuse from the top or side, as shown above.
- If the fuse must be replaced immediately, borrow a replacement fuse with the same amperage from the fuse block. Choose a vehicle feature that is not needed to safely operate the vehicle. Repeat Steps 2-3.
- Insert the replacement fuse into the empty slot of the blown fuse.
At the next opportunity, see your dealer to replace the blown fuse.
Headlamp Wiring
An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off?
Windshield Wipers
If the wiper motor overheats due to heavy snow or ice, the windshield wipers will stop. The wiper function is available immediately after the wiper switch is set to off, and back to on. To protect the wiper motor from overheating, the wipers may slow down when the windshield is dry for a long period. If a period of dry operation, or little moisture, exceeds 10 minutes, the wipers may switch to intermittent operation, and remain there. When moisture is again detected on the windshield, wiper operation will return to the operator-selected speed.
Although the circuit is protected from electrical overload, overload due to heavy snow or ice may cause wiper linkage damage. Always clear ice and heavy snow from the windshield before using the windshield wipers.
If the overload is caused by an electrical problem and not snow or ice, be sure to get it fixed.
Fuses and Circuit Breakers
The wiring circuits in the vehicle are protected from short circuits by a combination of fuses and circuit breakers. This greatly reduces the chance of damage caused by electrical problems.
Danger
Fuses and circuit breakers are marked with their ampere rating. Do not exceed the specified amperage rating when replacing fuses and circuit breakers. The use of an oversized fuse or circuit breaker can result in a vehicle fire. You and others could be seriously injured or killed.
Warning
Installation or use of fuses that do not meet GM’s original fuse specifications is dangerous. The fuses could fail, and result in a fire. You or others could be injured or killed, and the vehicle could be damaged.
Engine Compartment Fuse Block
The engine compartment fuse block is on the driver’s side of the engine compartment.
Lift the fuse block cover to access the fuses. The vehicle may not be equipped with all of the fuses and relays shown.
Caution
Spilling liquid on any electrical component of the vehicle may damage it. Always keep the covers on any electrical component.
| Fuses | Usage |
| 1 | Long Range Radar Front Sensor |
| 2 | Park/Daytime Running Lamps |
| 3 | Exterior Lighting Module 4 |
| 4 | Exterior Lighting Module 7 |
| 5 | Headlamp Level |
| 6 | – |
| 7 | Electronic Brake Control Module |
| 8 | Washer Pump |
| 9 | – |
| 10 | – |
| 11 | – |
| 12 | Horn |
| 13 | Front Wiper |
| 14 | Exterior Lighting Module 6 |
| 15 | Exterior Lighting Module 1 |
| 16 | Exterior Lighting Module 5 |
| 17 | Exterior Lighting Module 3 |
| 18 | Aero Shutter |
| 19 | – |
| 20 | – |
| 21 | Virtual Key System/ Power Sounder Module |
| 22 | Engine Control Module Battery |
| 23 | Transmission Control Module |
| 24 | Active Engine Mount |
| 25 | – |
| 26 | Engine Control Module |
| 27 | Injectors/Ignition 2 |
| 28 | Charged Air Cooler/ Not Used |
| 29 | Transmission Aux Oil Pump/Transmission Reverse Lock Out |
| 30 | Injectors/Ignition 1 |
| 31 | Emissions 1 |
| 32 | Emissions 2 |
| 33 | Starter Solenoid |
| 34 | – |
| 35 | – |
| 36 | Starter Pinion/Not Used |
| 37 | AC Clutch |
| 38 | – |
| 39 | – |
| 40 | – |
| 41 | – |
| 42 | Water Pump/Not Used |
| 43 | – |
| 44 | – |
| Relays | Usage |
| 47 | – |
| 48 | Front Wiper Speed/ Not Used |
| 49 | Front Wiper Control |
| 51 | – |
| 52 | Engine Control Module |
| 53 | Starter Solenoid |
| 54 | Starter Pinion/Not Used |
| 55 | – |
| 57 | AC Clutch |
Instrument Panel Fuse Block
The instrument panel fuse block is at the end of the driver side of the instrument panel.
To access the fuses, remove the end panel by gently prying with a plastic tool near each clip, beginning at the point shown.
To install the end cover, insert the tabs on the back of the cover into the slots in the instrument panel at the points shown. Align the clips with the slots in the instrument panel, and press the cover into place. The vehicle may not be equipped with all of the fuses and relays shown.
| Fuses | Usage |
| 1 | – |
| 2 | Heating, Ventilation, and Air Conditioning Blower |
| 3 | – |
| 4 | – |
| 5 | Theft Deterrent/Universal Garage Door Opener/ Overhead Console/Rain Sensor |
| 6 | – |
| 7 | Air Quality Ionizer |
| 8 | Heated Steering Wheel |
| 9 | – |
| 10 | Electronic Steering Column Lock 1 |
| 11 | – |
| 12 | – |
| 13 | – |
| 14 | – |
| 15 | – |
| 16 | – |
| 17 | – |
| 18 | Display/Infotainment/ USB/Multi-function Control Module |
| 19 | Sensing and Diagnostic Module/Automatic Occupant Sensing/Data Link Connection/Wireless Charging Module/Virtual Key Module |
| 20 | Power Steering Column Module/Electronic Steering Column Lock 2 |
| 21 | Driver Monitor System/ Performance Data Recorder |
| 22 | – |
| 23 | – |
| 24 | – |
| 25 | USB |
| 26 | – |
| 27 | – |
| 28 | – |
| 29 | – |
| 30 | – |
| 31 | Headlamp Level/Spare |
| 32 | – |
| 33 | Body Ignition/IP Ignition |
| 34 | Exhaust Valve |
| 35 | Transmission Control Module Ignition/Engine Control Module Ignition/ Shift Ignition/Brake Ignition |
| 36 | Shift Module |
| 37 | Body Control Module 1/ Electronic Park Brake Switch |
| 38 | Center Stack Module |
| 39 | Steering Wheel Controls |
| 40 | Body Control Module 2 |
| 41 | Body Control Module 3 |
| 42 | Body Control Module 4 |
| Circuit Breakers | Usage |
| CB1 | Auxiliary Power Outlet 1 |
| CB2 | Auxiliary Power Outlet 2 |
| Relays | Usage |
| 1 | Run After Park/Accessory |
| 2 | Run Crank |
| 3 | – |
| 4 | – |
| 5 | – |
Rear Compartment Fuse Block
The rear compartment fuse block is behind a cover on the driver’s side of the rear compartment. The vehicle may not be equipped with all of the fuses, relays, and features shown.
| Fuses | Usage |
| 1 | Remote Function Actuator |
| 2 | – |
| 3 | Driver Heated Seat |
| 4 | Fuel Tank Zone Module |
| 5 | – |
| 6 | – |
| 7 | – |
| 8 | – |
| 9 | – |
| 10 | Motor Seat Belt Passenger |
| 11 | Canister Vent Solenoid |
| 12 | Sunroof |
| 13 | – |
| 14 | – |
| 15 | Passenger Heated Seat |
| 16 | – |
| 17 | Electronic Suspension Control |
| 18 | – |
| 19 | Motor Seat Belt Driver |
| 20 | Rear Defog |
| 21 | DC to DC Transformer 2 |
| 22 | Driver Power Window/ Door Handle Switch |
| 23 | External Object Calculating Module/Front Camera Module/High Definition Localization Module/Short Range Radar |
| 24 | Passenger Power Window/Door Handle Switch |
| 25 | – |
| 26 | Amplifier (V Series Blackwing) |
| 27 | Rear Drive Control Module |
| 28 | – |
| 29 | – |
| 30 | – |
| 31 | DC to DC Transformer 1 |
| 32 | Transfer Case Electronic Control |
| 33 | Central Gateway Module/Side Blind Zone Alert |
| 34 | Video Processing Module |
| 35 | Hands-Free Closure Release |
| 36 | Exterior Lighting Module 2 |
| 37 | Passenger Memory Seat Module |
| 38 | – |
| 39 | Right Front/Right Rear Window |
| 40 | – |
| 41 | – |
| 42 | Amplifier |
| 43 | Park Assist Module |
| 44 | Driver Memory Seat Module |
| 45 | OnStar |
| 46 | – |
| 47 | – |
| 48 | – |
| 49 | – |
| 50 | Driver Seat |
| 51 | Left Front/Left Rear Window |
| 52 | Passenger Seat |
| Relays | Usage |
| 53 | – |
| 54 | – |
| 55 | Run |
FAQs
The fuse box in the 2024 Cadillac CT5 is typically located in the engine compartment or interior cabin.
The CT5 may have multiple fuse boxes; common locations include the engine bay and the interior, often near the driver’s side.
Generally, a pair of needle-nose pliers and a fuse puller tool come in handy for removing and replacing fuses.
Check the fuse box for a blown fuse related to the malfunctioning accessory, and replace it if necessary.
Look for a fuse with a broken filament, or use a multimeter to check for continuity.
Yes, a single-blown fuse can affect multiple components depending on its circuit.
Some vehicles come with spare fuses.
Different circuits may have different amperage requirements, so check the fuse box or owner’s manual for specific details.
Regularly inspect the fuses if you notice any electrical issues, and it’s a good practice to check during routine maintenance.
No, always replace a blown fuse with the same amp rating to avoid damaging the electrical system.
Short circuits, faulty components, or overloading the circuit are common reasons for blown fuses.
Generally, it involves identifying the faulty fuse, using a fuse puller to remove it, and replacing it with a new one.
Yes, replacing a blown fuse is a relatively simple task that can be done by most car owners.
If the problem persists, consult a professional mechanic to diagnose and fix the underlying electrical issue.
Ensure the vehicle is turned off, and wear gloves to protect against electrical shocks. Always follow the safety guidelines outlined in the owner’s manual.
Useful Link:
View Full PDF: 2024 Cadillac CT5 User Manual | Auto User Guide
2024 Cadillac CT5 Climate Controls Guidelines
2024 Cadillac CT5 Specs, Price, Features, Mileage and Review