Jonathan Yarden Mar 25, 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: 2010
Instrument panel fuse block
The instrument panel fuse block is located on the passengerâs side of the vehicle, under the instrument panel and under the toe-board.
Fuses | Usage |
BCK/UP LAMP | Reverse Lamps |
BLANK | Not Used |
BLANK | Not Used |
BTSI SOL/STR WHL LCK | Brake Transmission Shift Interlock, Steering Wheel Column Lock |
CLSTR/HUD | Cluster, Heads-Up Display |
CRUISE SWITCH | Cruise Control Switch |
CTSY/LAMP | Courtesy Lamp |
DR LCK | Door Locks |
DRIV DRÂ SWITCH | Driver Door Switch |
ECM | Engine Control Module (ECM) |
EXH MDL | Exhaust Module (Z06 & ZR1), Spare (Coupe and Convertible) |
GM LANÂ RUN/CRNK | GM LAN Devices |
HTD SEAT/WPR RLY | Heated Seat, Wiper Relays |
HVAC/PWR SND | Heating. Ventilation/Air Conditioning, Power Sounder |
IGN SWTCH/INTR SNSR | Ignition Switch, Intrusion Sensor |
ISRVM/HVAC | Electric Inside Rearview Mirror, Heating, Ventilation, Air Conditioning |
ONSTAR | OnStarÂŽ |
RDO/S-BAND/VICS | Radio, S-Band |
REAR FOG/ALDL/TOP SWTCH | Rear Fog Lamp, Assembly Line Diagnostic Link Connector, Convertible Top Switch |
REVERSEÂ LAMPS | Reverse Lamps |
RUN CRNK | Run/Crank Relay |
SDM/AOS SWTCH AIRBAG | Sensing and Diagnostic Module, Automatic Occupant Sensing Module, Airbag |
SPARE | Spare |
SPARE | Spare |
SPARE | Spare |
SPARE | Spare |
STOP LAMP | Stop Lamp |
SWC DM | Steering Wheel Dimming |
TELE SWTCH/MSM | Telescope Switch, Memory Seat Module |
TONNEAUÂ RELSE | Tonneau Release |
TPA | Tonneau Pulldown Actuator |
BLANK | Blank |
BLANK | Blank |
FUEL DRÂ RELSE | Fuel Door Release |
REAR/FOG | Rear Fog Lamps |
TONNEAUÂ RELSE | Tonneau Release |
TRUNK RELSE | Trunk Release |
AUX PWR | Auxiliary Power |
BLANK | Not Used |
BLANK | Not Used |
BLANK | Not Used |
BLANK | Not Used |
BLANK | Not Used |
BLANK | Not Used |
BLANK | Not Used |
DRVR HTDÂ SEAT | Driver Heated Seat |
LTR | Cigarette Lighter |
PASS HTDÂ SEAT | Passenger Heated Seat |
PWR SEATSÂ MSM | Power Seats, Memory Seat Module |
PWR/ WNDWS/TRUNK/FUEL RELSE | Power Windows, Trunk, Fuel Door Release |
TRUNK RELSE | Trunk Release |
WPR DWELL | Wiper Dwell |
WPR/WSW | Windshield Wiper/Washer |
 Engine compartment fuse block
There is one fuse block in the engine compartment located on the passengerâs side of the vehicle.
Fuse | Usage |
1 | Transmission Control Module/Transmission |
2 | Horn, Alternator Sense |
3 | Antilock Braking System (ABS)/Real Time Damping |
4 | Wiper |
5 | Stoplamps/Back-Up Lamps |
6 | Oxygen Sensor |
7 | Battery Main 5 |
8 | Parking Lamps |
9 | Powertrain Relay Input/Electronic Throttle Control |
10 | Manual Transmission Solenoids |
11 | Antilock Braking System |
12 | Odd Numbered Fuel Injectors |
13 | Electronic Suspension Control (Option) |
14 | Canister Purge Solenoid, Mass Air Flow Sensor |
15 | Air Conditioner Compressor |
16 | Even Numbered Fuel Injectors |
17 | Windshield Washer |
18 | Headlamp Washer |
19 | Passenger Side Low-Beam Headlamp |
20 | Fuel Pump (except ZR1) |
21 | Driver Side Low-Beam Headlamp |
22 | Front Fog Lamp |
23 | Passenger Side High-Beam Headlamp |
24 | Driver Side High-Beam Headlamp |
56 | Engine Control Module (ECM)/Transmission Control Module (TCM)/Easy Key Module |
J-Style Fuses | Usage |
25 | Cooling Fan |
26 | Battery Main 3 |
27 | Anti-Lock Brake System |
28 | Heating/Ventilation/Air Conditioning Blower |
29 | Battery Main 2 |
30 | Starter |
31 | Audio Amplifier |
32 | Intercooler Pump |
33 | Battery Main 1 |
Micro-Relays | Usage |
34 | Horn |
35 | Air Conditioning Compressor |
36 | Windshield Washer |
37 | Parking Lamps, Foglamps |
38 | Front Fog Lamp |
39 | High-Beam Headlamp |
46 | Headlamp Washer |
55 | Fuel Pump (except ZR1) |
Mini-Relays | Usage |
40 | Rear Defog |
41 | Windshield Wiper High/Low |
42 | Windshield Wiper Run/Accessory |
43 | Crank |
44 | Powertrain Ignition 1 |
45 | Windshield Wiper On/Off |
47 | Low-Beam Headlamp |
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Spare Fuses | Usage |
48 | Spare |
49 | Spare |
50 | Spare |
51 | Spare |
52 | Spare |
53 | Spare |
54 | Fuse Puller |
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 WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
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