Cadillac DeVille (2005) – fuse box diagram

Year of production: 2005

Underhood Fuse Block

The underhood fuse block is located next to the engine on the passenger’s side of the vehicle. To access the fuses, push in the two tabs located at each end of the fuse block cover. Then lift the cover off.

Cadillac DeVille mk8 - fuse box - engine compartment — Cadillac DeVille – fuse box diagram – engine compartment

Fuse 22 or 23 can be moved to the outer position to enable the accessory power outlets or cigarette lighter when the ignition is not on.

Fuses	Usage
1	Assembly Line Diagnostic Work
2	Accessory
3	Windshield Wipers
4	Not Used
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 (Option)
13	Transmission
14	Cruise Control
15	Coil Module (Option)
16	Injector Bank #2
17	Not Used
18	Not Used
19	Powertrain Control Module Ignition
20	Oxygen Sensor
21	Injector Bank #1
22	Cigar Lighter #2
23	Cigar Lighter #1
24	Daytime Running Lamps
25	Horn
26	Air Conditioner Clutch
42	Not Used
43	Not Used
44	Anti-Lock Brake System
45	Air Pump
46	Cooling Fan 1
47	Cooling Fan 2
48	Spare
49	Spare
50	Spare
51	Spare
52	Spare
54	Heated Steering Wheel (Option)

Relays	Usage
27	Headlamp High Beam
28	Headlamp Low Beam
29	Fog Lamps (Option)
30	Daytime Running Lamps
31	Horn
32	Air Conditioner Clutch
33	AIR Control Valve (Option)
34	Heated Steering Wheel (Option)
35	Accessory
36	Starter 1
37	Cooling Fan 1
38	Ignition 1
39	Cooling Fan Series/Parallel
40	Cooling Fan 2

Circuit Breakers	Usage
41	Starter

Rear Underseat Fuse Block

The rear fuse block is located under the rear seat on the driver’s side. The rear seat cushion must be removed to access the rear fuse block.

Cadillac DeVille mk8 - fuse box - rear underseat — Cadillac DeVille mk8 – fuse box – rear underseat

Fuses	Usage
1	Fuel Pump
2	Heater, Ventilation and Air Conditioning Battery
3	Memory Seat, Tilt and Telescoping Steering
4	RR Lumbar, Antenna
5	Driver Door Module
6	Heated Seat Left Rear
7	Power Tilt and Telescoping Steering
8	Supplemental Inflation Restraint
9	SDAR (XM™ Satellite Radio)
10	Lamps Park Right
11	Fuel Tank Ventilation Solenoid
12	Ignition 1
13	Interior Lamp Dimmer Module
14	Sunshade
15	Navigation
16	Heated Seat Left Front
17	Interior Lamps
18	Right Rear Door Module
19	Stoplamps
20	Park/Reverse
21	Audio
22	Retained Accessory Power for Sunroof
23	Lamps, Parking Left
24	Night Vision
25	Passenger Door Module
26	Body
27	Export Lights, Power Locks
28	Rear HVAC Blower
29	Ignition Switch
30	Turn Signal, Hazard Signal
31	Reverse, Locks
32	Continuous Variable Road Sensing Suspension
33	Heating, Ventilation, Air Conditioning
34	Ignition 3 Rear
35	Antilock Braking System
36	Heated Seat, Right Front
37	Heated Seat, Right Rear
38	Dimmer
60	Not Used
61	Rear Defog
62	HVAC Blower
63	Audio Amplifier
64	ELC Compressor/Exhaust
65	Not Used
66	Not Used
67	Not Used
68	Not Used
69	Not Used
70	Not Used
71	Not Used
72	Not Used
73	Not Used
74	Not Used
75	Not Used

Relays	Usage
39	Fuel Pump
40	Parking Lamps
41	Ignition 1
42	Not Used
43	Not Used
44	Park Shift Interlock
45	Reverse Lamps
46	Retained Accessory Power for Sunroof
47	Reverse Lockout
48	Suspension Dampers
49	Ignition 3
50	Fuel Tank Door Release
51	Interior Lamps
52	Trunk Release
53	Not Used
54	Lock, Cylinder
55	Automatic Level Control Compressor
58	Not Used
59	Rear Defog

Circuit Breakers	Usage
56	Power Seats
57	Power Windows

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

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Cadillac DeVille (2005) – fuse box diagram