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Fuse Block - Underhood Label: Notes

Fig 1: Identifying Underhood Fuse Block
GM2092142Courtesy of GENERAL MOTORS CORP.
FUSE BLOCK - UNDERHOOD FUSE AND RELAY IDENTIFICATION LEGEND

Fuse And Relay Description Rating Circuits
ABS MTR Fuse 25A Electronic Brake Control Module (EBCM)
ABS MTR Fuse 40A Electronic Brake Control Module (EBCM)
A/C CLTCH Fuse 10A A/C CMPRSR CLTCH Relay
A/C CMPRSR CLTCH Relay - A/C Compressor Clutch
AFS Fuse 15A Headlamp Control Module (TSH)
AIRBAG Fuse 10A Inflatable Restraint I/P Module Indicator, Inflatable Restraint Sensing and Diagnostic Module (SDM), and Instrument Panel Cluster (IPC)
AUX POWER Fuse 20A Accessory Power Outlet - Center Console, and Accessory Power Outlet - I/P
AUX VAC PUMP Fuse 20A AUX VAC PUMP Relay
AUX VAC PUMP Relay - Brake Booster Pump - Auxiliary
AWD Fuse 15A Rear Differential Clutch Control Module (MH6)
BATT 1 Fuse 50A AIRBAG, AMP, BCM, CNSTR/VENT, CSTY, DISPLAY, INADV/PWR/LED, INFOTAINMENT, MSM, POWER MOD, and RADIO Fuses
BATT 2 Fuse 50A BCK/UP/STOP, HTD/SEAT, LT/TRN/SIG, PDM, PWR/MIRRORS, and RT/TRN/SIG Fuses, LT/PWR/SEAT, PWR/COLUMN, and RT/PWR/SEAT Circuit Breakers
BATT 3 Fuse 50A DRL, DRL 2, DR/LCK,HVAC, and REAR WIPER Fuses, PWR/WNDW Circuit Breaker, FRT/WSW Relay
CRNK Relay - Starter Motor
ECM Fuse 15A Engine Control Module (ECM)
ECM 1 Fuse 15A Engine Control Module (ECM)
EMISSION 1 Fuse 15A Evaporative Emission (EVAP) Canister Purge Solenoid Valve, Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1, Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1, and Intake Manifold Tuning (IMT) Solenoid Valve
EMISSION 2 Fuse 15A A/C CMPRSR CLTCH, FAN 1, FAN 2, and FAN 3 Relays, Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2, Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2, and Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
EVEN COILS Fuse 15A Engine Control Module (ECM), Fuel Injectors 2, 4, 6, and Ignition Coils 2, 4, 6
FAN 1 Fuse 30A FAN 1 Relay
FAN 1 Relay - Engine Cooling Fan - Left
FAN 2 Fuse 40A FAN 3 Relay
FAN 2 Relay - Engine Cooling Fan - Right
FAN 3 Relay - Engine Cooling Fan - Right
FOG LAMP Fuse 15A FOG LAMP Relay
FOG LAMP Relay - Fog Lamp - Left Front and Fog Lamp - Right Front
FSCM Fuse 25A Fuel Pump Flow Control Module
HI BEAM Relay - LT HI BEAM and RT HI BEAM Fuses
HID/LO BEAM Relay - LT LO BEAM and RT LO BEAM Fuses
HORN Fuse 15A HORN Relay
HORN Relay - Horn - High Note and Horn - Low Note
HTD MIR Fuse 10A Outside Rearview Mirror - Driver and Outside Rearview Mirror - Passenger
HTD WASH Fuse 60A Windshield Washer Solvent Heater (XA7)
HVAC BLWR Fuse 40A Blower Motor Control Module
IGN Relay - AIRBAG, PCM IGN, REAR CAMERA, and TRANS Fuses
LT HI BEAM Fuse 10A Headlamp - Left High Beam (without W49 or TVD) or Headlamp - Left High Beam Solenoid (W49 or TVD)
LT LO BEAM Fuse 15A/20A Headlamp - Left (W49 or TVD) or Headlamp - Left Low Beam (without W49 or TVD)
LT PRK Fuse 10A Marker Lamp - Left Rear (W49 or WDA or X88), License Lamp - Left, License Lamp - Right, Park Lamp - Left Rear (W49 or Z88), Park Lamp - Right Rear (W49 or Z88), Side Marker Lamp - Left Front (Z88) or Marker Lamp - Left Front (W49 or WDA or X88), Tail Lamp - Left (Z88) or Tail/Stop and Turn Signal Lamp - Left (W49 or WDA or X88)
LT TRLR STOP/TRN Fuse 10A Trailer Connector
LT TRLR STOP/TRN Relay - LT TRLR STOP/TRN Fuse
ODD COILS Fuse 15A Engine Control Module (ECM), Fuel Injectors 1, 3, 5, and Ignition Coils 1, 3, 5
PCM IGN Fuse 10A Engine Control Module (ECM)
PRK LAMP Relay - LT PRK, RT PRK, and TRLR PRK LAMP Fuses
PWR L/GATE Fuse 30A Liftgate Module (LGM) (TB5)
PWR OUTLET Fuse 25A Accessory AC/DC Power Control Module (KV1)
PWR/TRN Powertrain Relay - ECM 1, EMISSION 1, EMISSION 2, EVEN COILS, and ODD COILS Fuses
RR APO Fuse 20A Accessory Power Outlet - Rear Console (DK1) and Accessory Power Outlet - Rear
REAR CAMERA Fuse 10A Rearview Camera
RR DEFOG Fuse 40A RR DEFOG Relay
RR DEFOG Relay - HTD MIR Fuse and Rear Window Defogger Grid
RR HVAC Fuse 30A Blower Motor Control Module - Auxiliary
RT HI BEAM Fuse 10A Headlamp - Right High Beam (without W49 or TVD) or Headlamp - Right High Beam Solenoid (W49 or TVD)
RT LO BEAM Fuse 10A/20A Headlamp - Right (W49 or TVD) or Headlamp - Right Low Beam (without W49 or TVD)
RT PRK Fuse 10A Marker Lamp - Right Front, Marker Lamp - Right Rear (W49 or WDA or X88), Side Marker Lamp - Right Front (Z88), Tail Lamp - Right (Z88) or Tail/Stop and Turn Signal Lamp - Right (W49 or WDA or X88)
RT TRLR STOP/TRN Fuse 10A Trailer Connector
RT TRLR STOP/TRN Relay - RT TRLR STOP/TRN Fuse
RVC SNSR Fuse 10A Body Control Module (BCM)
S/ROOF/SUNSHADE Fuse 30A Sunroof Control Module (C3U) and Sunroof Shade Module (C3U)
STRTR Fuse 40A CRNK Relay
TCM Fuse 15A Automatic Transmission
TRANS Fuse 10A Automatic Transmission
TRLR BCK UP Fuse 10A Trailer Connector (V92)
TRLR BCK UP Relay - TRLR BCK UP Fuse
TRLR BRK Fuse 30A Trailer Brake Blunt Cut (V92)
TRLR PWR Fuse 30A Trailer Connector (V92)
TRLR PRK LAMP Fuse 10A Trailer Connector
WPR HI Wiper Relay - Windshield Wiper Motor
WPR Wiper Relay - Windshield Wiper Motor
WPR/WSW Fuse 25A WPR and WPR HI Relays
Spare Fuse 10A Not Used
Spare Fuse 15A Not Used
Spare Fuse 20A Not Used
Spare Fuse 25A Not Used
Spare Fuse 30A Not Used