X50A Fuse Block - Underhood Label (W49 without CZ2)
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
FUSE BLOCK - UNDERHOOD FUSE AND RELAY IDENTIFICATION LEGEND (W49 WITH T79)
| No. | Device Label Name | Fuse And Relay Description | Rating | Circuits |
|---|---|---|---|---|
| Fuses | ||||
| - | LT PRK Fuse | F1UA | 10A | E2LR Side Marker Lamp - Left Rear (W49 or X88), E7L License Plate Lamp - Left, E7R License Plate Lamp - Right, E5E Tail Lamp - Left(W49 or Z88), E5F Tail Lamp - Right (W49 or Z88), E2LF Side Marker Lamp - Left Front, E5S Tail/Stop and Turn Signal Lamp - Left (W49 or X88) |
| - | RT PRK Fuse | F2UA | 10A | E2RF Side Marker Lamp - Right Front, E2RR Marker Lamp - Right Rear (W49 or WDA or X88), E5F Tail Lamp - Right (Z88) or E5T Tail/Stop and Turn Signal Lamp - Right (W49 or X88) |
| - | TRLR BRK Fuse | F3UA | 30A | W8 Blunt Cut - Trailer Provision |
| - | TRLR PRK LAMP Fuse | F3UA | 10A | X88 Trailer Connector |
| - | AIRBAG Fuse | F4UA | 10A | P14 Passenger Air Bag Disable Indicator, K36 Inflatable Restraint Sensing and Diagnostic Module, and P16 Instrument Cluster |
| - | PCM IGN Fuse | F5UA | 10A | K20 Engine Control Module |
| - | AFS Fuse | F6UA | 15A | K26 Headlamp Control Module |
| - | FAN 2 Fuse | F7UA | 40A | KR20K Cooling Fan Right High Speed Relay |
| - | PWR L/GATE Fuse | F8UA | 30A | K39 Liftgate Module (TB5) |
| - | TRANS Fuse | F10UA | 10A | T12 Automatic Transmission Assembly |
| - | EMISSION 1 Fuse | F12UA | 15A | Q12 Evaporative Emission Purge Solenoid Valve, B52C Heated Oxygen Sensor - Bank 1 Sensor 1, and B52E Heated Oxygen Sensor - Bank 2 Sensor 1 |
| - | FAN 1 Fuse | F13UA | 30A | KR20J Cooling Fan Left High Speed Relay |
| - | HVAC BLWR Fuse | F14UA | 40A | K8 Blower Motor Control Module |
| - | AWD Fuse | F15UA | 15A | K47 Rear Differential Clutch Control Module |
| - | TRLR PWR Fuse | F16UA | 30A | X88 Trailer Connector (V92) |
| - | EVEN COILS Fuse | F17UA | 15A | K20 Engine Control Module, Q17B Fuel Injector 2, Q17D Fuel Injector 4, Q17F Fuel Injector 6, T8B Ignition Coil 2, T8D Ignition Coil 4, T8F Ignition Coil 6 |
| - | STRTR Fuse | F18UA | 40A | CRNK Relay |
| - | BATT 2 Fuse | F19UA | 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 |
| - | RR HVAC Fuse | F20UA | 30A | K8A Blower Motor Control Module - Auxiliary |
| - | FPM Fuse | F21UA | 20A | K111 Fuel Pump Driver Control Module |
| - | ECM Fuse | F22UA | 15A | K20 Engine Control Module |
| - | Spare Fuse | F23UA | 10A | Not Used |
| - | LT HI BEAM Fuse | F24UA | 10A | M28L High Beam Solenoid Actuator - Left |
| - | Spare Fuse | F25UA | 20A | Not Used |
| - | LT TRLR STOP/TRN Fuse | F26UA | 10A | X88 Trailer Connector |
| - | EMISSION 2 Fuse | F27UA | 15A | Q2 A/C Compressor Clutch, KR20J Cooling Fan Left High Speed Relay, KR20E Cooling Fan Speed Control Relay, and KR20K Cooling Fan Right High Speed Relay, B52D Heated Oxygen Sensor - Bank 1 Sensor 2, B52F Heated Oxygen Sensor - Bank 2 Sensor 2, and B75B Mass Air Flow/Intake Air Temperature Sensor |
| - | Spare Fuse | F28UA | 15A | Not Used |
| - | RT HI BEAM Fuse | F29UA | 10A | M28R High Beam Solenoid Actuator - Right |
| - | RVC SNSR Fuse | F30UA | 10A | K9 Body Control Module |
| - | RT TRLR STOP/TRN Fuse | F31UA | 10A | X88 Trailer Connector |
| - | ODD COILS Fuse | F32UA | 15A | Engine Control Module (ECM), Fuel Injectors 1, 3, 5, and Ignition Coils 1, 3, 5 |
| - | CIGAR LIGHTER Fuse | F33UA | 20A | X80G Accessory Power Receptacle - Instrument Panel |
| - | WPR/WSW Fuse | F34UA | 25A | KR12B Windshield Wiper Relay and KR12C Windshield Wiper Speed Control Relay |
| - | PWR OUTLET Fuse | F36UA | 25A | T1 Accessory DC/AC Power Inverter Module |
| - | BATT 1 Fuse | F38UA | 50A | AIRBAG, AMP, BCM, CNSTR/VENT, CSTY, DISPLAY, INADV/PWR/LED, INFOTAINMENT, MSM, POWER MOD, and RADIO Fuses |
| - | AUX POWER Fuse | F39UA | 20A | X80H Accessory Power Receptacle - Center Console |
| - | BATT 3 Fuse | F41UA | 50A | DRL, DRL 2, DR/LCK, HVAC, and REAR WIPER Fuses, PWR/WNDW Circuit Breaker, KR11 Windshield Washer Pump Relay |
| - | RR APO Fuse | F42UA | 20A | X80L Accessory Power Receptacle - Rear Console and X80R Accessory Power Receptacle - Rear Compartment |
| - | LT LO BEAM Fuse | F43UA | 15A/20A | E13L Headlamp - Left (W49 or TVD) or E4G Headlamp - Left Low Beam (without W49 or TVD) |
| - | ABS MTR Fuse | F44UA | 40A | K17 Electronic Brake Control Module |
| - | RR DEFOG Fuse | F45UA | 40A | KR5 Rear Defogger Relay |
| - | TCM Fuse | F46UA | 15A | Automatic Transmission |
| - | S/ROOF/SUNSHADE Fuse | F47UA | 30A | K61 Sunroof Control Module (C3U) |
| - | TRLR BCK UP Fuse | F48UA | 10A | X88 Trailer Connector (V92) |
| - | HTD MIR Fuse | F49UA | 10A | A9A Outside Rearview Mirror - Driver and A9B Outside Rearview Mirror - Passenger |
| - | ABS MTR Fuse | F50UA | 25A | K17 Electronic Brake Control Module |
| - | FOG LAMP Fuse | F51UA | 15A | KR46 Front Fog Lamp Relay |
| - | RT LO BEAM Fuse | F51UA | 10A/20A | E13R Headlamp - Right (W49 or TVD) or E4H Headlamp - Right Low Beam (without W49 or TVD) |
| - | HORN Fuse | F52UA | 15A | KR3 Horn Relay |
| - | A/C CLTCH Fuse | F53UA | 10A | KR 29 A/C Compressor Clutch Relay |
| - | STOP LAMP Fuse | F54UA | 10A | KR59 Stop Lamp Relay (W49 with T89) |
| - | AUX VAC PUMP Fuse | F55UA | 20A | KR14 Brake Booster Pump Motor Relay |
| Relays | ||||
| - | Horn Relay | KR3 Horn Relay | - | P12A Horn - High Note and P12B Horn - Low Note |
| - | Rear Window Defogger Relay | KR5 Rear Defogger Relay | - | HTD MIR Fuse and E18 Rear Defogger Grid |
| - | Windshield Wiper Relay | KR12B Windshield Wiper Relay | - | M75 Windshield Wiper Motor |
| - | Windshield Wiper Wpeed Control Relay | KR12C Windshield Wiper Speed Control Relay | - | M75 Windshield Wiper Motor |
| - | Brake Booster Pump Relay | KR14 Brake Booster Pump Motor Relay | - | G6 Brake Booster Pump - Auxiliary |
| - | Cooling Fan Speed Control Relay | KR20E Cooling Fan Speed Control Relay | - | G10R Cooling Fan Motor - Right |
| - | Cooling Fan Left High Speed Relay | KR20J Cooling Fan Left High Speed Relay | - | G10L Cooling Fan Motor - Left |
| - | Cooling Fan Right High Speed Relay | KR20K Cooling Fan Right High Speed Relay | - | G10R Cooling Fan Motor - Right |
| - | CRNK Relay | KR27 Starter Relay | - | M64 Starter Motor |
| - | A/C Compressor Clutch Relay | KR29 A/C Compressor Clutch Relay | - | Q2 A/C Compressor Clutch |
| - | Front Fog Lamp Relay | KR46 Front Fog Lamp Relay | - | E29LF Fog Lamp - Left Front and E29RF Fog Lamp - Right Front |
| - | Headlamp Low Beam Relay | KR49 Headlamp Low Beam Relay | - | LT LO BEAM and RT LO BEAM Fuses |
| - | Park Lamp Relay | KR53 Park Lamps Relay | - | LT PRK, RT PRK, and TRLR PRK LAMP Fuses |
| - | Stop Lamp Relay | KR59 Stop Lamp Relay | - | E6 Center High Mounted Stop Lamp, E5S Tail/Stop and Turn Signal Lamp - Left, and E5T Tail/Stop and Turn Signal Lamp - Right (W49 with T89) |
| - | Trailer Backup Lamp Relay | KR61 Trailer Backup Lamps Relay | - | TRLR BCK UP Fuse |
| - | Trailer Stop/Turn Signal Lamp Relay - Left | KR63L Trailer Stop/Turn Signal Lamp Relay - Left | - | LT TRLR STOP/TRN Fuse |
| - | Trailer Stop/Turn Signal Lamp Relay - Right | KR63R Trailer Stop/Turn Signal Lamp Relay - Right | - | RT TRLR STOP/TRN Fuse |
| - | Ignition Main Relay | KR73 Ignition Main Relay | - | AIRBAG, PCM IGN, REAR CAMERA, and TRANS Fuses |
| - | Powertrain Relay | KR75 Engine Controls Ignition Relay | - | ECM 1, EMISSION 1, EMISSION 2, EVEN COILS, and ODD COILS Fuses |
| - | High Beam Relay | KR169 High Beam Solenoid Actuator Relay | - | LT HI BEAM and RT HI BEAM Fuses |
FUSE BLOCK - UNDERHOOD FUSE AND RELAY IDENTIFICATION LEGEND (W49 WITH V92 WITHOUT T79)
| No. | Device Label Name | Fuse And Relay Description | Rating | Circuits |
|---|---|---|---|---|
| Fuses | ||||
| - | LT PRK Fuse | F1UA | 10A | E2LR Side Marker Lamp - Left Rear (W49 or X88), E7L License Plate Lamp - Left, E7R License Plate Lamp - Right, E5E Tail Lamp - Left(W49 or Z88), E5F Tail Lamp - Right (W49 or Z88), E2LF Side Marker Lamp - Left Front, E5S Tail/Stop and Turn Signal Lamp - Left (W49 or X88) |
| - | RT PRK Fuse | F2UA | 10A | E2RF Side Marker Lamp - Right Front, E2RR Marker Lamp - Right Rear (W49 or WDA or X88), E5F Tail Lamp - Right (Z88) or E5T Tail/Stop and Turn Signal Lamp - Right (W49 or X88) |
| - | TRLR BRK Fuse | F3UA | 30A | W8 Blunt Cut - Trailer Provision |
| - | TRLR PRK LAMP Fuse | F3UA | 10A | X88 Trailer Connector |
| - | AIRBAG Fuse | F4UA | 10A | P14 Passenger Air Bag Disable Indicator, K36 Inflatable Restraint Sensing and Diagnostic Module, and P16 Instrument Cluster |
| - | PCM IGN Fuse | F5UA | 10A | K20 Engine Control Module |
| - | AFS Fuse | F6UA | 15A | K26 Headlamp Control Module |
| - | FAN 2 Fuse | F7UA | 40A | KR20K Cooling Fan Right High Speed Relay |
| - | PWR L/GATE Fuse | F8UA | 30A | K39 Liftgate Module (TB5) |
| - | TRLR BRK Fuse | F9UA | 30A | W8 Blunt Cut - Trailer Provision |
| - | TRANS Fuse | F10UA | 10A | T12 Automatic Transmission Assembly |
| - | HTD STR WHL Fuse | F11UA | 15A | K32 Steering Wheel Heating Control Module, E15 Steering Wheel Heater |
| - | EMISSION 1 Fuse | F12UA | 15A | Q12 Evaporative Emission Purge Solenoid Valve, B52C Heated Oxygen Sensor - Bank 1 Sensor 1, and B52E Heated Oxygen Sensor - Bank 2 Sensor 1 |
| - | FAN 1 Fuse | F13UA | 30A | KR20J Cooling Fan Left High Speed Relay |
| - | HVAC BLWR Fuse | F14UA | 40A | K8 Blower Motor Control Module |
| - | AWD Fuse | F15UA | 15A | K47 Rear Differential Clutch Control Module |
| - | TRLR PWR Fuse | F16UA | 30A | X88 Trailer Connector (V92) |
| - | EVEN COILS Fuse | F17UA | 15A | K20 Engine Control Module, Q17B Fuel Injector 2, Q17D Fuel Injector 4, Q17F Fuel Injector 6, T8B Ignition Coil 2, T8D Ignition Coil 4, T8F Ignition Coil 6 |
| - | STRTR Fuse | F18UA | 40A | CRNK Relay |
| - | BATT 2 Fuse | F19UA | 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 |
| - | RR HVAC Fuse | F20UA | 30A | K8A Blower Motor Control Module - Auxiliary |
| - | FPM Fuse | F21UA | 20A | K111 Fuel Pump Driver Control Module |
| - | ECM Fuse | F22UA | 15A | K20 Engine Control Module |
| - | Spare Fuse | F23UA | 10A | Not Used |
| - | LT HI BEAM Fuse | F24UA | 10A | M28L High Beam Solenoid Actuator - Left |
| - | Spare Fuse | F25UA | 20A | Not Used |
| - | LT TRLR STOP/TRN Fuse | F26UA | 10A | X88 Trailer Connector |
| - | EMISSION 2 Fuse | F27UA | 15A | Q2 A/C Compressor Clutch, KR20J Cooling Fan Left High Speed Relay, KR20E Cooling Fan Speed Control Relay, and KR20K Cooling Fan Right High Speed Relay, B52D Heated Oxygen Sensor - Bank 1 Sensor 2, B52F Heated Oxygen Sensor - Bank 2 Sensor 2, and B75B Mass Air Flow/Intake Air Temperature Sensor |
| - | Spare Fuse | F28UA | 15A | Not Used |
| - | RT HI BEAM Fuse | F29UA | 10A | M28R High Beam Solenoid Actuator - Right |
| - | RVC SNSR Fuse | F30UA | 10A | K9 Body Control Module |
| - | RT TRLR STOP/TRN Fuse | F31UA | 10A | X88 Trailer Connector |
| - | ODD COILS Fuse | F32UA | 15A | Engine Control Module (ECM), Fuel Injectors 1, 3, 5, and Ignition Coils 1, 3, 5 |
| - | CIGAR LIGHTER Fuse | F33UA | 20A | X80G Accessory Power Receptacle - Instrument Panel |
| - | WPR/WSW Fuse | F34UA | 25A | KR12B Windshield Wiper Relay and KR12C Windshield Wiper Speed Control Relay |
| - | HUMIDITY/MAF Fuse | F35UA | 15A | B75C Multifunction Intake Air Sensor |
| - | PWR OUTLET Fuse | F36UA | 25A | T1 Accessory DC/AC Power Inverter Module |
| - | BATT 1 Fuse | F38UA | 50A | AIRBAG, AMP, BCM, CNSTR/VENT, CSTY, DISPLAY, INADV/PWR/LED, INFOTAINMENT, MSM, POWER MOD, and RADIO Fuses |
| - | AUX POWER Fuse | F39UA | 20A | X80H Accessory Power Receptacle - Center Console |
| - | RT LO BEAM Fuse | F40UA | 20A | T7R Headlamp Ballast - Right |
| - | BATT 3 Fuse | F41UA | 50A | DRL, DRL 2, DR/LCK, HVAC, and REAR WIPER Fuses, PWR/WNDW Circuit Breaker, KR11 Windshield Washer Pump Relay |
| - | RR APO Fuse | F42UA | 20A | X80L Accessory Power Receptacle - Rear Console and X80R Accessory Power Receptacle - Rear Compartment |
| - | LT LO BEAM Fuse | F43UA | 20A | T7L Headlamp Ballast - Left |
| - | ABS MTR Fuse | F44UA | 40A | K17 Electronic Brake Control Module |
| - | RR DEFOG Fuse | F45UA | 40A | KR5 Rear Defogger Relay |
| - | TCM Fuse | F46UA | 15A | Automatic Transmission |
| - | S/ROOF/SUNSHADE Fuse | F47UA | 30A | K61 Sunroof Control Module (C3U) |
| - | TRLR BCK UP Fuse | F48UA | 10A | X88 Trailer Connector (V92) |
| - | HTD MIR Fuse | F49UA | 10A | A9A Outside Rearview Mirror - Driver and A9B Outside Rearview Mirror - Passenger |
| - | ABS MTR Fuse | F50UA | 25A | K17 Electronic Brake Control Module |
| - | FOG LAMP Fuse | F51UA | 15A | KR46 Front Fog Lamp Relay |
| - | RT LO BEAM Fuse | F51UA | 10A/20A | E13R Headlamp - Right (W49 or TVD) or E4H Headlamp - Right Low Beam (without W49 or TVD) |
| - | HORN Fuse | F52UA | 15A | KR3 Horn Relay |
| - | A/C CLTCH Fuse | F53UA | 10A | KR 29 A/C Compressor Clutch Relay |
| - | STOP LAMP Fuse | F54UA | 10A | KR59 Stop Lamp Relay (W49 with T89) |
| - | AUX VAC PUMP Fuse | F55UA | 20A | KR14 Brake Booster Pump Motor Relay |
| Relays | ||||
| - | Horn Relay | KR3 Horn Relay | - | P12A Horn - High Note and P12B Horn - Low Note |
| - | Rear Window Defogger Relay | KR5 Rear Defogger Relay | - | HTD MIR Fuse and E18 Rear Defogger Grid |
| - | Windshield Wiper Relay | KR12B Windshield Wiper Relay | - | M75 Windshield Wiper Motor |
| - | Windshield Wiper Wpeed Control Relay | KR12C Windshield Wiper Speed Control Relay | - | M75 Windshield Wiper Motor |
| - | Brake Booster Pump Relay | KR14 Brake Booster Pump Motor Relay | - | G6 Brake Booster Pump - Auxiliary |
| - | Cooling Fan Speed Control Relay | KR20E Cooling Fan Speed Control Relay | - | G10R Cooling Fan Motor - Right |
| - | Cooling Fan Left High Speed Relay | KR20J Cooling Fan Left High Speed Relay | - | G10L Cooling Fan Motor - Left |
| - | Cooling Fan Right High Speed Relay | KR20K Cooling Fan Right High Speed Relay | - | G10R Cooling Fan Motor - Right |
| - | CRNK Relay | KR27 Starter Relay | - | M64 Starter Motor |
| - | A/C Compressor Clutch Relay | KR29 A/C Compressor Clutch Relay | - | Q2 A/C Compressor Clutch |
| - | Front Fog Lamp Relay | KR46 Front Fog Lamp Relay | - | E29LF Fog Lamp - Left Front and E29RF Fog Lamp - Right Front |
| - | Headlamp Low Beam Relay | KR49 Headlamp Low Beam Relay | - | LT LO BEAM and RT LO BEAM Fuses |
| - | Park Lamp Relay | KR53 Park Lamps Relay | - | LT PRK, RT PRK, and TRLR PRK LAMP Fuses |
| - | Stop Lamp Relay | KR59 Stop Lamp Relay | - | E6 Center High Mounted Stop Lamp, E5S Tail/Stop and Turn Signal Lamp - Left, and E5T Tail/Stop and Turn Signal Lamp - Right (W49 with T89) |
| - | Trailer Backup Lamp Relay | KR61 Trailer Backup Lamps Relay | - | TRLR BCK UP Fuse |
| - | Trailer Stop/Turn Signal Lamp Relay - Left | KR63L Trailer Stop/Turn Signal Lamp Relay - Left | - | LT TRLR STOP/TRN Fuse |
| - | Trailer Stop/Turn Signal Lamp Relay - Right | KR63R Trailer Stop/Turn Signal Lamp Relay - Right | - | RT TRLR STOP/TRN Fuse |
| - | Ignition Main Relay | KR73 Ignition Main Relay | - | AIRBAG, PCM IGN, REAR CAMERA, and TRANS Fuses |
| - | Powertrain Relay | KR75 Engine Controls Ignition Relay | - | ECM 1, EMISSION 1, EMISSION 2, EVEN COILS, and ODD COILS Fuses |
| - | High Beam Relay | KR169 High Beam Solenoid Actuator Relay | - | LT HI BEAM and RT HI BEAM Fuses |