The Cadillac XLR, produced from 2004 to 2009, is a luxury convertible sports car known for its distinctive styling, advanced features, and performance. The vehicle’s electrical system, including its fuse box and relay components, plays a crucial role in its functionality and reliability.
The fuse box in the Cadillac XLR houses various fuses designed to protect specific electrical circuits throughout the vehicle. These circuits power essential components such as the engine control module, lighting systems, entertainment features, climate control, and more. If an electrical overload or short circuit occurs, the corresponding fuse will blow, interrupting the circuit and preventing damage to associated systems.
Relays in the Cadillac XLR serve as electrically operated switches that control high-current circuits. They enable the precise activation and deactivation of functions like the starter motor, fuel pump, air conditioning compressor, and power windows or seats. By efficiently managing power distribution, relays contribute to the vehicle’s overall performance and reliability.
Regular maintenance of the fuse box and relays is essential to ensure the Cadillac XLR operates smoothly. This includes inspecting fuses for signs of wear or damage, ensuring relay connections are secure, and addressing any electrical issues promptly. Proper care of these components helps maintain the vehicle’s electrical integrity, enhancing safety and driving pleasure in the Cadillac XLR 2004-2009.
MUST READ: DYI – How to Check Car Fuses?
(2004-2009) Cadillac XLR 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 XLR 2004-2009 fuse assignment
- Cigar lighter / power outlet fuse in the Cadillac XLR is the fuse №. 46 in the Passenger compartment fuse box.
Year of production: 2004, 2005, 2006, 2007, 2008, 2009
Passenger compartment
Fuse Box Location
The fuse box is located under the glove box, in the front-passenger footwell behind the toe-board.
Fuse box diagram
Assignment of the fuses and relays in the passenger compartment
| № | Description |
|---|---|
| 1-4 | Spare fuses |
| 5 | Fuse Puller |
| 6 | Reverse Lamp |
| 7 | Starter/Crank |
| 8 | Parking Brake Solenoid A |
| 9 | Reverse Lamps |
| 10 | BTSI Solenoid, Column Lock |
| 11 | Not Used |
| 12 | Not Used |
| 13 | GMLAN Devices |
| 14 | Rear Park Aid, Heated/Cooled Seats, Windshield Wiper Relays |
| 15 | Door Locks |
| 16 | Engine Control Module |
| 17 | Interior Lights |
| 18 | 2004-2005: Air Bags, Passenger Air Bag Off Switch 2006-2009: Air Bags |
| 19 | Not Used |
| 20 | OnStar |
| 21 | Adaptive Cruise Control (ACC), Driver Door Switch |
| 22 | Power Tilt Wheel, Telescopic Steering Column, Memory Seat, Driver Seat Switch, Retractable Hardtop Switch |
| 23 | Ignition Switch, Intrusion Sensor |
| 24 | Stop Lamp |
| 25 | Inside Rearview Mirror, Climate Control System, Column Lock, Power Sounder |
| 26 | Instrument Panel Cluster, Head-Up Display (HUD) |
| 27 | Radio, S-Band, CD Changer |
| 28 | Tap-Up/Tap-Down Switch, Adaptive Cruise Control (ACC) Switch, Cruise Control Switch |
| 29 | Climate Control System, Power Sounder |
| 30 | Rear Fog Lamps, Diagnostic Link Connector |
| 31 | Power Folding Mirror |
| 32 | Trunk Close Button, Parking Brake Solenoid B |
| 33 | Power Seats |
| 34 | Door Controls |
| 35 | Run, Accessory Power |
| 36 | Not Used |
| 37 | Not Used |
| 38 | Rainsense |
| 39 | Steering Wheel Control Button Lights |
| 40 | Power Lumbar |
| 41 | Passenger’s Side Heated Seat |
| 42 | Driver’s Side Heated Seat |
| 43 | Not Used |
| 44 | Retractable Hardtop, Trunk Latch |
| 45 | Auxiliary Power |
| 46 | Cigar Lighter |
| Relays | |
| 47 | Park Brake Hold |
| 48 | Park Brake Release |
| 49 | Not Used |
| 50 | Not Used |
| 51 | Not Used |
| 52 | Fuel Door |
Fuse Box in the engine compartment
Fuse Box Location
Fuse box diagram
Assignment of the fuses and relays in the engine compartment
| № | Description |
|---|---|
| 1 | 2004-2008: Anti-Lock Brake System, Magnetic Ride Control 2009: Antilock Brake System, Electronic Suspension Control, Adaptive Forward Lighting System (AFS) |
| 2 | Horn |
| 3 | Adaptive Cruise Control (ACC), Transmission Controls |
| 4 | Windshield Wipers |
| 5 | Stop/Back-Up Lamps |
| 6 | Oxygen Sensor |
| 7 | Battery 5 |
| 8 | Parking Lamps |
| 9 | Electronic Throttle Control |
| 10 | Fuel Pump |
| 11 | 2004-2008: Engine Control Module, Transmission Control Module 2009: Engine Control Module, Transmission Control Module |
| 12 | Odd Injectors |
| 13 | Electronic Suspension Control |
| 14 | Emission Controls |
| 15 | Air Conditioning Compressor |
| 16 | Even Injectors |
| 17 | 2004-2005: Windshield Washer 2006-2008: Windshield Washer, Intercooler Pump 2009: Windshield Washer, Adaptive Forward Lighting System (AFS), Intercooler Pump |
| 18 | Headlamp Washer |
| 19 | Right Low Beam Headlamp |
| 20 | Not Used |
| 21 | Left Low Beam Headlamp |
| 22 | Fog Lamp |
| 23 | Right High Beam Headlamp |
| 24 | Left High Beam Headlamp |
| 25 | 2004-2005: Not Used 2006-2009: Cooling Fan |
| 26 | Battery 3 |
| 27 | Anti-Lock Brakes |
| 28 | Climate Controls |
| 29 | Battery 2 |
| 30 | Starter |
| 31 | Audio Amplifier |
| 32 | 2004-2005: Not Used 2006-2009: Cooling Fan |
| 33 | Battery 1 |
| 48-52 | Spare fuses |
| 53 | Not Used |
| 54 | Fuse Puller |
| 56 | 2009: Engine Control Module, Transmission Control Module |
| Relays | |
| 34 | Horn |
| 35 | Air Conditioning Compressor |
| 36 | Windshield Washer |
| 37 | Parking Lamps |
| 38 | Fog Lamps |
| 39 | High Beam Headlamps |
| 40 | Rear Window Defogger |
| 41 | Windshield Wiper High/Low |
| 42 | Wiper RUN/ACCESSORY Power |
| 43 | Starter/Crank |
| 44 | Ignition 1 |
| 45 | Windshield Wiper On/Off |
| 46 | Headlamp Washer |
| 47 | Low Beam Headlamps |
| 55 | 2006-2009: Fuel Pump |
Conclusion
For owners and enthusiasts of classic Cadillac XLR 2004-2009, 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.
