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Cadillac Seville (2003) - fuse box diagram

avatar Jonathan Yarden Mar 27, 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: 2003

Underhood Fuse Block

The underhood fuse block is located in the front of the engine compartment between the windshield washer fluid reservoir and the power steering fluid reservoir on the passenger’s side of the vehicle

Cadillac Seville mk5 - fuse box - engine compartment

Minifuses

Fuse Usage
1 ALDL
2 Accessory
3 Windshield Wipers
4 —
5 Headlamp Low Beam Left
6 Headlamp Low Beam Right
7 Instrument Panel
8 Powertrain Control Module Battery
9 Headlamp High Beam Right
10 Headlamp High Beam Left
11 Ignition 1
12 Fog Lamps
13 Transmission
14 Cruise Control
15 Coil MDL
16 Injector Bank #2
17 —
18 —
19 Powertrain Control Module Ignition
20 Oxygen Sensor
21 Injector Bank #1
22 Auxiliary Power (Cltr 2)
23 Cigar Lighter
24 Daytime Running Lamps
25 Horn
26 Air Conditioner Clutch

Micro Relays

Relay Usage
27 Headlamp High Beam
28 Headlamp Low Beam
29 Fog Lamps
30 Daytime Running Lamps
31 Horn
32 Air Conditioner Clutch

Mini Relays

Relay Usage
33 —
34 Accessory
35 —
36 Starter 1
37 Cooling Fan Secondary
38 Ignition 1
39 Cooling Fan Series/Parallel
40 Cooling Fan Primary

Maxibreaker

Circuit breaker Usage
41 Starter
42 Export Use

MaxiFuses

Fuse Usage
43 —
44 Antilock Brake System
45 Air Pump
46 Cooling Fan Secondary
47 Cooling Fan Primary

The spare fuses are located in numbers 48 through 52.
The fuse puller is located in number 53.

Rear Underseat Fuse Block

To access the fuses, push in the two tabs located at each end of the fuse block cover.

Cadillac Seville mk5 - fuse box - rear compartment

Minifuses

Fuse Usage
1 Fuel Pump
2 Heater, Ventilation, Air Conditioner Blower
3 Memory Seat, Tilt and Telescoping Steering
4 SDAR (XM Satellite Radio)
5 Driver Door Module
6 Heated Seat Left Rear
7 Power Tilt and Telescoping Steering
8 Supplemental Inflation Restraint
9 —
10 Lamps Park Right
11 Fuel Tank Ventilation Solenoid
12 Ignition 1
13 Lamps, Parking Left
14 Interior Lamp Dimmer Module
15 Navigation
16 Heated Seat Left Front
17 Export Lighting
18 Rear Door Modules
19 Stoplamps
20 Neutral Safety Back-up
21 Audio
22 Retained Accessory Power for Sunroof
23 —
24 —
25 Passenger Door Module
26 Fuel Door/Trunk Release (Body)
27 Interior Lamps
28 Rear HVAC Blower
29 Ignition Switch
30 —
31 Heated Seat Right Front
32 Magnetic Ride Control
33 Heating, Ventilation, Air Conditioning
34 Ignition 3 Rear
35 Antilock Braking System
36 Turn Signal/Hazard
37 Heated Seat Right Rear
38 Dash Integration Module

Micro Relays

Relay Usage
39 Fuel Pump
40 Parking Lamps
41 Ignition 1
42 Park Brake A
43 Park Brake B
44 Park Shift Interlock
45 Reverse Lamps
46 Retained Accessory Power for Sunroof
47 Rear HVAC Blower
48 —
49 Ignition 3
50 Fuel Tank Door Release
51 Interior Lamps
52 Trunk Release
53 Front Courtesy Lamps
54 Rear Courtesy Lamps
55 Electronic Level Control Compressor

Circuit Breakers

Relay Usage
56 Power Seats
57 Power Windows

Mini Relays

Relay Usage
58 Cigarette Lighter
59 Rear Defog

MaxiFuses

Fuse Usage
60 Park Brake
61 Rear Defog
62 Export Brake
63 Audio Amplifier
64 ELC Compressor/Exhaust
65 Cigar Lighter
66 —

 

WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

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