Jonathan Yarden Mar 25, 2021 · 5 min. read
In this article you will find a description of fuses and relays Cadillac,
with photos of block diagrams and their locations.
Highlighted the cigarette lighter fuse (as the most popular thing people look for).
Get tips on blown fuses, replacing a fuse, and more.
Year of production: 2007, 2008
Instrument Panel Fuse Block
The panel fuse block is located on the passenger’s side of the vehicle, under the instrument panel and under the toe-board.
| Fuses | Usage |
| 1 | Spare fuse |
| 2 | Spare fuse |
| 3 | Spare fuse |
| 4 | Spare fuse |
| 5 | Fuse Pull |
| 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 | 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 | Usage |
| 47 | Park Brake Hold |
| 48 | Park Brake Release |
| 49 | Not Used |
| 50 | Not Used |
| 51 | Not Used |
| 52 | Fuel Door |
Underhood Fuse Block
The underhood fuse block is located next to the engine on the passenger’s side of the vehicle.
| Fuses | Usage |
| 1 | Anti-Lock Brake System, Magnetic Ride Control |
| 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 | Engine Control Module, Transmission Control Module |
| 12 | Odd Injectors |
| 13 | Electronic Suspension Control |
| 14 | Emission Controls |
| 15 | Air Conditioning Compressor |
| 16 | Even Injectors |
| 17 | Windshield Washer, 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 | Cooling Fan |
| 26 | Battery 3 |
| 27 | Anti-Lock Brakes |
| 28 | Climate Controls |
| 29 | Battery 2 |
| 30 | Starter |
| 31 | Audio Amplifier |
| 32 | Not used |
| 33 | Battery 1 |
| 48 | Spare |
| 49 | Spare |
| 50 | Spare |
| 51 | Spare |
| 52 | Spare |
| 53 | Not Used |
| 54 | Fuse Puller |
| Relays | Usage |
| 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 | Fuel Pump |
| Diodes | Usage |
 |
Diode 1 |
| |
Wiper diode |
| |
Diode 2 |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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