Jonathan Yarden May 06, 2021 · 5 min. read
In this article you will find a description of fuses and relays Chevrolet,
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: 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
Engine compartment fuse box
No. |
A |
Description |
1 | 15 | Transmission Control Module |
2 | 15 | Engine Control Module |
3 | N/A | Not Used |
5 | 15 | Transmission Control Module, Engine Control Module, Mass Air Flow/Intake Air Temperature Sensor, Output Speed Sensor |
6 | 30 | Windshield Wiper Relays |
7 | N/A | Not Used |
8 | 15 | Fuel injectors |
9 | 15 | Ignition Coil, Fuel Injectors |
10 | 15 | Engine Control Module, Output Speed Sensor |
11 | 10 | Heated Oxygen Sensors |
12 | 30 | Starter Motor |
13 | 7.5 | Evaporative Emission (EVAP) Canister Vent Solenoid Valve |
14 | N/A | Not Used |
15 | Rear Wiper | |
16 | 7.5 | Air Quality Sensor |
17 | 5 | Inflatable Restraint Sensing and Diagnostic Module |
18 | 10 | Fuel Pump Control Module |
19 | N/A | Not Used |
20 | 20 | Fuel Pump Relay |
21 | 30 | Windows Motors, Front Door |
22 | N/A | Not Used |
23 | N/A | Not Used |
24 | 30 | Windows Motors, Front Door |
25 | Electronic Vacuum Pump | |
26 | 40 | Electronic Brake Control Module (EBCM) |
27 | 30 | Remote Control Door Lock Receiver |
28 | 40 | Rear Demister Grid |
29 | N/A | Not Used |
30 | 15 | Electronic Brake Control Module (EBCM) |
31 | 20 | Body Control Module |
32 | 20 | Body Control Module |
33 | 30 | Heated Seat Control Module |
34 | 25 | Sunroof Control Module |
35 | 30 | Audio Amplifier |
36 | N/A | Not Used |
37 | 10 | Headlamp – Right Main beam |
38 | 10 | Headlamp – Left Main beam |
39 | N/A | Not Used |
40 | N/A | Not Used |
41 | N/A | Not Used |
42 | 20/30 | Cooling Fan Relays, Cooling Fan Motor |
43 | N/A | Not Used |
44 | N/A | Not Used |
45 | 30/40 | Cooling Fan High Speed Relay, Cooling Fan Motor |
46 | 10 | Cooling Fan Relays |
47 | 10 | Heated Oxygen Sensors, Throttle Body |
48 | 15 | Fog Lights, Front |
49 | N/A | Not Used |
50 | N/A | Not Used |
51 | 15 | Horn |
52 | 5 | Instrument Cluster |
53 | 10 | Inside Rearview Mirror |
54 | 5 | Headlamp Switch, Electrical Auxiliary Heater, HVAC Control Module |
55 | 7.5 | Window Switches, Front, Mirror Switch |
56 | 15 | Windscreen Washer Pump |
57 | 15 | Steering Column Lock Control Module |
58 | N/A | Not Used |
59 | 30 | Fuel Heater |
60 | 7.5 | Outside Rearview Mirrors |
61 | Mirror Defogger | |
62 | 10 | A/C Compressor Clutch Relay, A/C Compressor Clutch |
63 | Rear Window Sensor | |
64 | 5 | Inflatable Restraint Sensing and Diagnostic Module |
65 | Rear Fog Lamp | |
66 | Rear Washer | |
67 | 20 | Fuel Pump Control Module |
68 | N/A | Not Used |
69 | 5 | Body Control Module |
70 | 5 | Rain Sensor |
71 | N/A | Not Used |
Relays | ||
1 | A/C Compressor Clutch | |
2 | Starter | |
3 | Cooling Fan | |
4 | Windshield Wiper Speed Control | |
5 | Windshield Wiper | |
6 | Not Used | |
7 | Powertrain | |
8 | Fuel Pump | |
9 | Cooling Fan Medium Speed 1 | |
10 | Cooling Fan Medium Speed 2 | |
11 | Not Used | |
12 | Cooling Fan Speed Control (Or in Relay Block – Under-bonnet) | |
13 | Cooling Fan High Speed Relay | |
14 | Not Used | |
15 | Ignition Main Relay | |
16 | Fuel Heater Relay | |
17 | Rear Window Defogger | |
Note: Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block. | ||
– | Horn Relay | |
– | Windscreen Washer Pump Relay | |
– | Front Fog Lamp Relay | |
– | Headlamp High Beam Relay |
Instrument Panel Fuse Block
No. | A | Description |
1 | 10 | Mobile Telephone Control Module |
2 | – | DC/DC Converter |
3 | 25 | Body Control Module |
4 | 20 | Radio |
5 | 7.5 | Parking Assist Control Module, Power Sounder, Multifunction Switch – Centre Console, Display |
6 | 20 | Cigar Lighter |
7 | 20 | Power Outlet |
8 | 30 | Body Control Module |
9 | 30 | Body Control Module |
10 | 30 | Body Control Module |
11 | 40 | Blower Motor Control Module |
12 | N/A | Not Used |
13 | 25 | Heated Seat Control Module |
14 | 7.5 | Data Link Connector, Oil Feeding Connector |
15 | 10 | Inflatable Restraint Sensing and Diagnostic Module |
16 | 10 | Rear Compartment Lid Release Relay |
17 | 15 | HVAC Control Module / HVAC Control Assembly |
18 | Trailer | |
19 | Battery Sensor | |
20 | – | Not Used |
21 | 15 | Instrument Cluster |
22 | 2 | Ignition Switch |
23 | 20 | Body Control Module |
24 | 20 | Body Control Module |
25 | — | Not Used |
26 | 20 | Auxiliary Power Outlet |
Note: Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block | ||
1 | Tailgate Release Relay | |
2 | Logistic Mode Relay 1 | |
3 | Auxiliary Power Relay |
Fuse box above battery
No. |
A |
Description |
1 | 100 | Fuse Block – Instrument Panel |
2 | 100 | Fuse Block – Instrument Panel |
3 | 80 | Electrical Power Steering (EPS) (NJ1) |
4 | N/A | Not Used |
5 | 250 | Fuse Block – Battery Auxiliary |
6 | 250/500 | Starter Motor |
No. |
A |
Description |
5 | 80 | Glow Plug Control Module |
6 | 100 | Electrical Auxiliary Heater |
7 | N/A | Not Used |
8 | N/A | Not Used |
No. |
Relays |
1 | Cooling Fan Left Medium Speed Relay |
2 | Cooling Fan Speed Control 2 Relay |
3 | Cooling Fan Right Medium Speed Relay |
WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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