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.
Engine compartment fuse block
The underhood fuse block is on the passenger side of the engine compartment.
Fuse | Usage |
1 | â |
2 | â |
3* | Passenger motorized safety belt |
4 | â |
5 | â |
6 | Driver Power Seat |
7 | â |
9 | â |
10 | â |
11 | â |
12 | â |
13 | Passenger Power Seat |
14 | â |
15 | Passive entry/Passive start/Front wipers |
16 | â |
17* | Headlamp Washer |
18 | â |
19 | ABS pump |
20 | ABS valve |
21* | â |
22 | Driver motorized safety belt |
26* | â |
27 | â/Heated Seat 2 |
28 | â/Reverse lock out |
29* | AFS AHL/Pedestrian protection |
30 | â |
31 | Passenger window switch |
32 | â |
33 | Sunroof |
34 | Front wiper |
35 | Steering column lock |
36 | RBEC/Ignition |
37 | â/MIL/Ignition |
38 | Aeroshutter |
39 | O2 sensor/Emissions |
40 | Ignition coil/Injectors |
41 | â/Ignition coil/Injectors |
42* | Engine control module |
43 | â |
44 | â |
45 | Front Washer Relay |
48 | Instrument panel/Body/Ignition |
49 | FSCM/Ignition |
50* | Heated steering wheel |
51* | Engine control module/Ignition |
52* | TCM/Ignition |
53 | Coolant pump |
55 | â |
56* | TCM/â |
64* | Automatic headlamp leveling |
65* | Left HID headlamp |
66 | Right HID headlamp |
67 | High-beam headlamps |
68 | Headlamp leveling motor |
69 | Horn |
71 | Coolant fan |
72 | Starter 2 |
73* | Brake vacuum pump |
74 | Starter |
75 | A/C clutch |
76 | â |
* Optional |
Â
Relays | Usage |
8* | Headlamp washer |
23 | Wiper control relay |
24 | Wiper speed |
25 | Engine control module |
46 | Rear washer |
47 | Front washer |
54* | Coolant pump |
57 | Low-beam headlamp |
58 | High-beam headlamp |
59 | Run/Crank |
60 | Starter 2 |
61* | Vacuum pump |
62 | Starter |
63* | A/C control |
70 | Horn |
* Optional |
Instrument Panel Fuse Block
The instrument panel fuse block is in the end of the driver side of the instrument panel.
Fuses | Usage |
2 | Motorized cupholder |
3 | Electric steering column lock |
4 | â |
5 | HVAC control |
6 | Tilt/Telescoping steering column |
8 | Data link connector |
9 | Glove box release |
10 | Shunt |
11 | Body control module 1 |
12 | Body control module 5 |
13 | Body control module 6 |
14 | â |
15 | Body control module 7 |
16 | Transmission control module |
17 | â |
18 | â |
19 | Auxiliary power outlet |
20 | Lighter |
21 | Wireless charger |
22 | Sensing diagnostic module/ Automatic occupant sensing |
23 | Radio/DVD/HVACÂ control |
24 | Display |
25 | Heated steering wheel |
26 | Wireless Charger |
27 | Steering wheel switches |
28 | â |
29 | Visior |
30 | â |
31 | â |
32 | Retained accessory power |
33 | Front HVAC blower |
CB1 | Accessory power outlet |
CB7 | â |
K10 | Retained accessory power |
K605 | Logistics |
K644 | Retained accessory power/Glove box release |
Rear Compartment Fuse Block
The rear compartment fuse block is behind a cover on the driver side of the rear compartment.
Number | Usage |
1* | Rear driver control module/DC DC transformer |
2 | Left Window |
3 | Body Control Module 8 |
4* | A/C Inverter |
5 | Passive entry/Passive start/Battery 1 |
6 | Body Control Module 4 |
7 | Heated Mirrors |
8 | Amplifier |
9 | Rear Defogger |
10 | Glass Break |
11* | Trailer Connector |
12 | OnStar (If Equipped) |
13 | Right Window |
14 | Electric Parking Brake |
15 | â |
16 | Trunk Release |
17* | Run Relay |
18* | Logistics Relay |
19* | â |
20 | Rear Window Defogger Relay |
21 | Mirror Window Module |
22 | â |
23 | Canister Vent |
24 | Body control module 2 |
25* | Rear Vision Camera |
26* | Front Ventilated Seats |
27* | SBZA/LDW/EOCM |
28* | Trailer/Sunshade |
29* | Rear Heated Seats |
30* | Semi-Active Damping System |
31* | Traction control module/Rear control drive module |
32 | Theft deterrent module/Universal garage door opener/Rain sensor |
33* | UPA |
34* | Radio/DVD |
35 | Exhaust valve |
36* | Trailer |
37 | Fuel Pump/Fuel System Control Module |
38 | Fuel pump |
39 | â |
40 | Exhaust valve |
41 | Run/Crank 2 |
42* | Memory Seat Module |
43 | Body Control Module 3 |
44 | â |
45 | Battery Regulated Voltage Control |
46 | Engine Control Module Battery |
47 | â |
48 | â |
49* | Trailer Module |
50 | Door Lock Security |
51 | Rear Closure Release |
52 | Rear closure |
53 | â |
54 | Door Lock Security |
55 | â |
56* | Fuel Door |
* Optional |
WARNING:Â Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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