GMC Canyon (2004-2012) fuses and relays

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In this article, we consider the first-generation GMC Canyon, produced from 2004 to 2012. Here you will find fuse box diagrams of GMC Canyon 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 and 2012, get information about the location of the fuse panels inside the car, and learn about the assignment of each fuse (fuse layout) and relay.

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Fuse Layout GMC Canyon 2004-2012

Cigar lighter (power outlet) fuses in the GMC Canyon are the fuses #2 and #33 (or “AUX PWR 1” and “AUX PWR 2”) in the Engine compartment fuse box.

Table of Contents

Fuse box location

The engine compartment fuse box is located on the driver side of the engine compartment.

Fuse box diagrams

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2004

Assignment of the fuses in the engine compartment (2004)

Name	Usage
1	Brake Switch, Stoplamps
2	Auxiliary Power 1
5	Air Conditioning Control Head
8	Wiper/Washer Switch
9	Fog Lamps
10	Ignition Transducers
11	Driver's Side Headlamp
12	Passenger’s Side Headlamp
13	Fuel Pump
14	Wiper
15	Front Axle Actuator
16	Antilock Brake System (ABS), ABS module, Four-Wheel Drive, Gravity Sensor
17	Supplemental Inflatable Restraint System, Sensing and Diagnostic Module, Air Bag Off Switch
18	Heated Seat
19	Cruise Control Switch, Inside Rearview Mirror, Transfer Case Control Module, Brake Switch, Clutch Disable
20	Electronic Throttle Control (ETC)
21	Power Door Locks
22	Injectors
23	Ignition, Clutch Starter Switch, Neutral Safety Back-Up Switch, Ignition Coils 1-5, Air Conditioning Relay
24	Transmission Solenoid
25	Powertrain Control Module (PCM)
26	Back-up Lights
27	ERLS, Map Sensor, Can Purge Solenoid
28	Rear Turn/Hazard Lights
29	Driver's Side RearTaillamp, Passenger Side Air Bag Indicator Lighting, Instrument Panel Dimming Power (2WD/4WD switch lighting)
30	Powertrain Control Module (PCM) B
31	OnStar
32	Radio
33	Auxiliary Power 2
34	Truck Body Controller
35	Horn
36	Transfer Case Control Module
37	Turn/Hazard/Courtesy/Cargo Lamps/Mirrors
38	Cluster
39	Rear Parking Lamp 1, Passenger's Side Taillamp, License Plate Lamps
40	Front Park/Turn Lamps, Driver and Passenger's Side Power Window Switches Lighting
41	Climate Control Fan
42	Power Windows
43	Starter Solenoid Relay
44	Antilock Brake System 2 (ABS Pump)
45	Antilock Brake System 1 (ABS Logic)
46	Power Seat Circuit Breaker/POA Seat
69	Fuel Canister Vent Solenoid
72	Not Used
73	Not Used
74	Not Used
75	Not Used
77	Air Conditioning Compressor
79	Oxygen Sensors

Relays
47	Beam Selection
50	Air Conditioning Compressor
51	Fuel Pump, Fuel Pump Fuse
52	Fog Lamps
53	Front Parting Lamp Fuse, Driver and Passenger’s Taillamp Fuse, Rear Parting Lamps
54	Driver and Passenger’s Headlamps Fuse
55	Horn
56	Electronic Throttle Control Fuse, Oxygen Sensor Fuse
57	Wipers (On/Off)
58	Power Window Fuse, Wiper/Washer Switch Fuse, (Retained Accessory Power Mode)
59	Ignition 3, Climate Control, Climate Control Head Fuse
61	Run/Crank, Air Bag System Fuse, Cruise Control Fuse, Ignition Fuse, Back-Up Lamps, ABS Fuse, ERLS, Front Axle, PCM-1, Injectors Fuse
62	Starter Relay (PCM Relay)
63	Wiper 2 (High/Low)

Miscellaneous
64	Diode — Wiper
65	Diode — Air Conditioning, Clutch
66	Mega Fuse
67	Not Used

2005

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Assignment of the fuses in the engine compartment (2005)

Name	Usage
AUX PWR 1	Accessory Power 1
STOP	Brake Switch, Stoplamps
BLWR	Climate Control Fan
S/ROOF	Sunroof (If Equipped)
A/C	Air Conditioning Control Head, Power Seats
PWR/SEAT	Power Seat Circuit Breaker (If Equipped)
RT HDLP	Passenger Side Headlamp
LT HDLP	Driver Side Headlamp
AUX PWR 2	Accessory Power 2
FOG/LAMP	Fog Lamps (If Equipped)
A/C CMPRSR	Air Conditioning Compressor
WSW	Wiper/Washer Switch
PWR/WNDW	Power Windows (If Equipped)
FUEL/PUMP	Fuel Pump
STRTR	Starter Solenoid Relay
WPR	Wiper
ABS 2	Antilock Brake System 2 (ABS Pump)
DRL/LCK	Power Door Locks (If Equipped)
ETC	Electronic Throttle Control (ETC)
O2 SNSR	Oxygen Sensors, Air Injection Reactor (AIR) Relay
CRUISE	Cruise Control Switch, Inside Rearview Mirror, Transfer Case Control Module, Brake Switch, Clutch Disable
HTD/SEAT	Heated Seat (If Equipped)
AIRBAG	Supplemental Inflatable Restraint System, Sensing and Diagnostic Module, Airbag Off Switch
ABS	Antilock Brake System (ABS), ABS Module, Four-Wheel Drive, Gravity Sensor
BCK/UP	Back-up Lights
FRT/AXLE	Front Axle Actuator
TRN/HAZRD REAR	Rear Turn/Hazard Lights
ERLS	ERLS, Map Sensor, Can Purge Solenoid
PCMI	Powertrain Control Module (PCM)
TRANS	Transmission Solenoid
IGN	Ignition, Clutch Starter Switch, Neutral Safety Back-Up Switch, Ignition Coils 1-5, Air Conditioning Relay
INJ	Injectors
ABS 1	Antilock Brake System 1 (ABS Logic)
FRT PRK LAMP	Front Park/Turn Lamps, Driver and Passenger Side Power Window Switches Lighting
REAR PRK LAMP	Rear Parking Lamp 1, Passenger Side Taillamp, License Plate Lamps
REAR PRK LAMP2	Driver Side Rear Taillamp, Passenger Side Airbag Indicator Lighting, Instrument Panel Dimming Power (2WD/4WD switch lighting)
CLSTR	Cluster
TRN/HAZRD FRT	Turn/Hazard/Courtesy/Cargo Lamps/Mirrors
TCCM	Transfer Case Control Module
HORN	Horn
TBC	Truck Body Controller
IGN TRNSD	Ignition Transducers
RDO	Radio
ONSTAR	OnStar®
CNSTR VENT	Fuel Canister Vent Solenoid
PCM B	Powertrain Control Module (PCM) B

Relays
BEAM SEL	Beam Selection
IGN 3 HVAC	Ignition 3, Climate Control, Climate Control Head Fuse
RAP	Retained Accessory Power (Power Window Fuse, Wiper/Washer Switch Fuse)
PRK/LAMP	Front Parting Lamp Fuse, Rear Parting Lamps
HDLP	Headlamps
FOG/LAMP	Fog Lamps (If Equipped)
FUEL/PUMP	Fuel Pump, Fuel Pump Fuse
A/C CMPRSR	Air Conditioning Compressor
RUN/CRNK	Run/Crank, Airbag System Fuse, Cruise Control Fuse, Ignition Fuse, Back-Up Lamps, ABS Fuse, ERLS, Front Axle, PCM-1, Injectors Fuse
PWR/TRN	Powertrain, Electronic Throttle Control Fuse, Oxygen Sensor Fuse
HORN	Horn
WPR 2	Wiper 2 (High/Low)
WPR	Wipers (On/Off)
STRTR	Starter Relay (PCM Relay)

Miscellaneous
WPR	Diode — Wiper
A/C CLTCH	Diode — Air Conditioning, Clutch
MEGA FUSE	Mega Fuse

2006

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Assignment of the fuses in the engine compartment (2006)

Name	Usage
DRL	Daylight Running Lamps
AUX PWR 1	Accessory Power 1
STOP	Brake Switch, Stoplamps
BLWR	Climate Control Fan
S/ROOF	Sunroof (If Equipped)
A/C	Air Conditioning Control Head
PWR/SEAT	Power Seat Circuit Breaker (If Equipped)
RT HDLP	Passenger Side Headlamp
LT HDLP	Driver Side Headlamp
AUX PWR 2	Accessory Power 2
FOG/LAMP	Fog Lamps (If Equipped)
A/C CMPRSR	Air Conditioning Compressor
WSW	Wiper/Washer Switch
PWR/WNDW	Power Windows (If Equipped)
FUEL/PUMP	Fuel Pump
STRTR	Starter Solenoid Relay
WPR	Wiper
ABS 2	Antilock Brake System 2 (ABS Pump)
DRL/LCK	Power Door Locks (If Equipped)
ETC	Electronic Throttle Control (ETC)
O2 SNSR	Oxygen Sensors
CRUISE	Cruise Control Switch, Inside Rearview Mirror, Transfer Case Control Module, Brake Switch, Clutch Disable
HTD/SEAT	Heated Seat (If Equipped)
AIRBAG	Anti-lock Brake System (ABS), ABS module, Four-Wheel Drive, Gravity Sensor
ABS	Antilock Brake System (ABS), ABS Module, Four-Wheel Drive, Gravity Sensor
BCK/UP	Back-up Lights
FRT/AXLE	Front Axle Actuator
TRN/HAZRD REAR	Rear Turn/Hazard Lights
ERLS	ERLS, Map Sensor, Can Purge Solenoid
PCMI	Powertrain Control Module (PCM)
TRANS	Transmission Solenoid
IGN	Ignition, Clutch Starter Switch, Neutral Safety Back-Up Switch, Ignition Coils 1-5, Air Conditioning Relay
INJ	Injectors
ABS 1	Antilock Brake System 1 (ABS Logic)
FRT PRK LAMP	Front Park/Turn Lamps, Driver and Passenger Side Power Window Switches Lighting
REAR PRK LAMP	Rear Parking Lamp 1, Passenger Side Taillamp, License Plate Lamps
REAR PRK LAMP2	Driver Side Rear Taillamp, Passenger Side Airt>ag Indicator Lighting, Instrument Panel Dimming Power (2WD/4WD switch lighting)
CLSTR	Cluster
TRN/HAZRD FRT	Turn/Hazard/Courtesy/Cargo Lamps/Mirrors
TCCM	Transfer Case Control Module
HORN	Horn
TBC	Truck Body Controller
IGN TRNSD	Ignition Transducers
RDO	Radio
ONSTAR	OnStar
CNSTR VENT	Fuel Canister Vent Solenoid
PCM B	Powertrain Control Module (PCM) B

Relays
DRL	Daylight Running Lamps
BEAM SEL	Beam Selection
IGN 3 HVAC	Ignition 3, Climate Control, Climate Control Head Fuse, Power Seat Fuse
RAP	Retained Accessory Power (Power Window Fuse, Wiper/Washer Switch Fuse), Sunroof Fuse
PRK/LAMP	Front Parking Lamp Fuse, Rear Parking Lamps
HDLP	Headlamps
FOG/LAMP	Fog Lamps (If Equipped)
FUEL/PUMP	Fuel Pump, Fuel Pump Fuse
A/C CMPRSR	Air Conditioning Compressor
RUN/CRNK	Run/Crank, Airbag System Fuse, Cruise Control Fuse, Ignition Fuse, Back-Up Lamps, ABS Fuse, Front Axle, PCM-1, Injectors Fuse, Transmission Fuse
PWR/TRN	Powertrain, Electronic Throttle Control Fuse, Oxygen Sensor Fuse
HORN	Horn
WPR 2	Wiper 2 (High/Low)
WPR	Wipers (On/Off)
STRTR	Starter Relay (PCM Relay)

Miscellaneous
WPR	Diode — Wiper
A/C CLTCH	Diode — Air Conditioning, Clutch
MEGA FUSE	Mega Fuse

2007

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Assignment of the fuses in the engine compartment (2007)

Name	Usage
DRL	Daylight Running Lamps
AUX PWR 1	Accessory Power 1
STOP	Brake Switch, Stoplamps
BLWR	Climate Control Fan
S/ROOF	Sunroof (If Equipped)
A/C	Air Conditioning Control Head, Power Seats
PWR/SEAT	Power Seat Circuit Breaker (If Equipped)
RT HDLP	Passenger Side Headlamp
LT HDLP	Driver Side Headlamp
AUX PWR 2	Accessory Power 2
FOG/LAMP	Fog Lamps (If Equipped)
A/C CMPRSR	Air Conditioning Compressor
WSW	Wiper/Washer Switch
PWR/WNDW	Power Windows (If Equipped)
FUEL/PUMP	Fuel Pump
STRTR	Starter Solenoid Relay
WPR	Wiper
ABS 2	Antilock Brake System 2 (ABS Pump)
DRL/LCK	Power Door Locks (If Equipped)
ETC	Electronic Throttle Control (ETC)
O2 SNSR	Oxygen Sensors
CRUISE	Cruise Control Switch, Inside Rearview Mirror, Transfer Case Control Module, Brake Switch, Clutch Disable
HTD/SEAT	Heated Seat (If Equipped)
AIRBAG	Supplemental Inflatable Restraint System, Sensing and Diagnostic Module
ABS	Antilock Brake System (ABS), ABS Module, Four-Wheel Drive, Gravity Sensor
BCK/UP	Back-up Lights
FRT/AXLE	Front Axle Actuator
TRN/HAZRD REAR	Rear Turn/Hazard Lights
ERLS	Mass Air Flow (MAF) Sensor, Can Purge Solenoid, Air Injection Reactor (AIR) Relay
PCMI	Powertrain Control Module (PCM)
TRANS	Transmission Solenoid
IGN	Ignition, Clutch Starter Switch, Neutral Safety Back-Up Switch, Ignition Coils 1-5, Air Conditioning Relay
INJ	Injectors
ABS 1	Antilock Brake System 1 (ABS Logic)
FRT PRK LAMP	Front Park/Turn Lamps, Driver and Passenger Side Power Window Switches Lighting
REAR PRK LAMP	Rear Parking Lamp 1, Passenger Side Taillamp, License Plate Lamps
REAR PRK LAMP2	Driver Side Rear Taillamp, Passenger Side Airbag Indicator Lighting, Instrument Panel Dimming Power (2WD/4WD switch Sghting)
CLSTR	Cluster
TRN/HAZRD FRT	Turn/Hazard/Courtesy/Cargo Lamps/Mirrors
TCCM	Transfer Case Control Module
HORN	Horn
TBC	Truck Body Controller
IGN TRNSD	Ignition Transducers
RDO	Radio
ONSTAR	OnStar
CNSTR VENT	Fuel Canister Vent Solenoid
PCM B	Powertrain Control Module (PCM) B

Relays
DRL	Daylight Running Lamps
BEAM SEL	Beam Selection
IGN 3 HVAC	Ignition 3, Climate Control, Climate Control Head Fuse, Power Seat Fuse
RAP	Retained Accessory Power (Power Window Fuse, Wiper/Washer Switch Fuse), Sunroof Fuse
PRK/LAMP	Front Parking Lamp Fuse, Rear Parking Lamps
HDLP	Headlamps
FOG/LAMP	Fog Lamps (If Equipped)
FUEL/PUMP	Fuel Pump, Fuel Pump Fuse
A/C CMPRSR	Air Conditioning Compressor
RUN/CRNK	Run/Crank, Airbag System Fuse, Cruise Control Fuse, Ignition Fuse, Back-Up Lamps, ABS Fuse, Front Axle, PCM-1, Injectors Fuse, Transmission Fuse, ERLS
PWR/TRN	Powertrain, Electronic Throttle Control Fuse, Oxygen Sensor Fuse
HORN	Horn
WPR2	Wiper 2 (High/Low)
WPR	Wipers (On/Off)
STRTR	Starter Relay (PCM Relay)

Miscellaneous
WPR	Diode — Wiper
A/C CLTCH	Diode — Air Conditioning, Clutch
MEGA FUSE	Mega Fuse

2008

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Assignment of the fuses in the engine compartment (2008)

Name	Usage
DRL	Daylight Running Lamps
AUX PWR 1	Accessory Power 1
BLWR	Climate Control Fan
S/ROOF	Sunroof (If Equipped)
A/C	Air Conditioning Control Head, Power Seats
PWR/SEAT	Power Seat Circuit Breaker (If Equipped)
RT HDLP	Passenger Side Headlamp
LT HDLP	Driver Side Headlamp
AUX PWR 2	Accessory Power 2
FOG/LAMP	Fog Lamps (If Equipped)
A/C CMPRSR	Air Conditioning Compressor
WSW	Wiper/Washer Switch
PWR/WNDW	Power Windows (If Equipped)
FUEL/PUMP	Fuel Pump
STRTR	Starter Solenoid Relay
WPR	Wiper
ABS 2	Antilock Brake System 2 (ABS Pump)
DRL/LCK	Power Door Locks (If Equipped)
ETC	Electronic Throttle Control (ETC)
O2 SNSR	Oxygen Sensors, Air Injection Reactor (AIR) Relay
CRUISE	Cruise Control Switch, Inside Rearview Mirror, Transfer Case Control Module, Brake Switch, Clutch Disable
HTD/SEAT	Heated Seat (If Equipped)
AIRBAG	Supplemental Inflatable Restraint System, Sensing and Diagnostic Module
ABS	Antilock Brake System (ABS), ABS Module, Four-Wheel Drive, Gravity Sensor
BCK/UP	Back-up Lights
FRT/AXLE	Front Axle Actuator
TRN/HAZRD REAR	Rear Turn/Hazard Lights
ERLS	Mass Air Flow (MAF) Sensor, Can Purge Solenoid, Air Injection Reactor (AIR) Relay
PCMI	Powertrain Control Module (PCM)
TRANS	Transmission Solenoid
IGN	Ignition, Clutch Starter Switch, Neutral Safety Back-Up Switch, Ignition Coils 1-5, Air Conditioning Relay
INJ	Injectors
ABS 1	Antilock Brake System 1 (ABS Logic)
FRT PRK LAMP	Front Park/Turn Lamps, Driver and Passenger Side Power Window Switches Lighting
REAR PRK LAMP	Rear Parking Lamp 1, Passenger Side Taillamp, License Plate Lamps
REAR PRK LAMP2	Driver Side Rear Taillamp, Passenger Side Airbag Indicator Lighting, Instrument Panel Dimming Power (2WD/4WD switch lighting)
CLSTR	Cluster
TRN/HAZRD FRT	Turn/Hazard/Courtesy/Cargo Lamps/Mirrors
TCCM	Transfer Case Control Module
HORN	Horn
TBC	Truck Body Controller
IGN TRNSD	Ignition Transducers
RDO	Radio
ONSTAR	OnStar
CNSTR VENT	Fuel Canister Vent Solenoid
PCM B	Powertrain Control Module (PCM) B

Relays
DRL	Daylight Running Lamps
BEAM SEL	Beam Selection
IGN 3 HVAC	Ignition 3, Climate Control, Climate Control Head Fuse, Power Seat Fuse
RAP	Retained Accessory Power (Power Window Fuse, Wiper/Washer Switch Fuse), Sunroof Fuse
PRK/LAMP	Front Parking Lamp Fuse, Rear Parking Lamps
HDLP	Headlamps
FOG/LAMP	Fog Lamps (If Equipped)
FUEL/PUMP	Fuel Pump, Fuel Pump Fuse
A/C CMPRSR	Air Conditioning Compressor
RUN/CRNK	Run/Crank, Airbag System Fuse, Cruise Control Fuse, Ignition Fuse, Back-Up Lamps, ABS Fuse, Front Axle, PCM-1, Injectors Fuse, Transmission Fuse, ERLS
PWR/TRN	Powertrain, Electronic Throttle Control Fuse, Oxygen Sensor Fuse
HORN	Horn
WPR 2	Wiper 2 (High/Low)
WPR	Wipers (On/OfT)
STRTR	Starter Relay (PCM Relay)

Miscellaneous
WPR	Diode — Wiper
A/C CLTCH	Diode — Air Conditioning, Clutch
MEGA FUSE	Mega Fuse

2009, 2010

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Assignment of the fuses in the engine compartment (2009, 2010)

Name	Usage
O2 SNSR	Oxygen Sensors, Air Injection Reactor (AIR) Relay
A/C	Air Conditioning Control Head, Power Seats
A/C CMPRSR	Air Conditioning Compressor
ABS	Antilock Brake System (ABS), ABS Module, Four-Wheel Drive, Gravity Sensor
ABS 1	ABS 1 (ABS Logic)
ABS 2	ABS 2 (ABS Pump)
AUX PWR 1	Accessory Power 1
AUX PWR 2	Accessory Power 2
BCK/UP	Back-up Lights
BLWR	Climate Control Fan
CLSTR	Cluster
CNSTR VENT	Fuel Canister Vent Solenoid
CRUISE	Cruise Control Switch, Inside Rearview Minor, Transfer Case Control Module, Brake Switch, Clutch Disable
DR/LCK	Power Door Locks (If Equipped)
DRL	Daylight Running Lamps
ERLS	Mass Air Flow (MAF) Sensor, Can Purge Solenoid, Air Injector Reactor (AIR) Relay
ETC	Electronic Throttle Control (ETC)
FOG/LAMP	Fog Lamps (If Equipped)
FRT PRK LAMP	Front Park/Turn Lamps, Driver and Passenger Side Power Window Switches Lighting
FRT/AXLE	Front Axle Actuator
FSCM	Fuel System Control Module
BACKUP LAMP	Back Up Lamp
HORN	Horn
HTD/SEAT	Heated Seat (If Equipped)
IGN	Ignition, Clutch Starter Switch, Neutral Safety Back-Up Switch, Ignition Coils 1-5, Air Conditioning Relay
INJ	Injectors
LT HDLP	Driver Side Headlamp
PCM B	Power Control Module (PCM) B
PCMI	Power Control Module (PCM)
PWR/SEAT	Power Seat Circuit Breaker (If Equipped)
PWR/WNDW	Power Windows (If Equipped)
RDO	Radio
REAR PRK LAMP	Rear Parking Lamp 1, Passenger Side Taillamp, License Plate Lamps
REAR PRK LAMP2	Driver Side Rear Taillamp, Passenger Side Airbag Indicator Lighting, Instrument Panel Dimming Power (2WD/4WD switch lighting)
RT HDLP	Passenger Side Headlamp
RVC	Regulated Voltage Control
S/ROOF	Sunroof (If Equipped)
STOP	Stop Lamps
STRTR	Starter Solenoid Relay
TBC	Truck Body Controller
TCM	Transmission Control Module
TCCM	Transfer Case Control Module
TRAILER BRAKE	Trailer Brake
TRANS	Transmission Solenoid
TRN/HAZRD FRT	Turn/Hazard/Courtesy/Cargo Lamps/Mirrors
TRN/HAZRD REAR	Rear Turn/Hazard Lights
VSES	Vehicle Stability Enhancement System
WPR	Wiper
WSW	Wiper/Washer Switch

Relays
A/C CMPRSR	Air Conditioning Compressor
BEAM SEL	Beam Selection
DRL	Daylight Running Lamps
FOG/LAMP	Fog Lamps (If Equipped)
BKUPLP	Back Up Lamp
HDLP	Headlamps
HORN	Horn
IGN 3 HVAC	Ignition 3, Climate Control, Climate Control Head Fuse, Power Seat Fuse
PRK/LAMP	Front Parking Lamp Fuse, Rear Parking Lamps
PWR/TRN	Powertrain, Electronic Throttle Control Fuse, Oxygen Sensor Fuse
RAP	Retained Accessory Power (Power Window Fuse, Wiper/Washer Switch Fuse), Sunroof Fuse
RUN/CRNK	Run/Crank, Airbag System Fuse, Cruise Control Fuse, Ignition Fuse, Back-Up Lamps, ABS Fuse, Front Axle, PCM-1, Injectors Fuse, Transmission Fuse, ERLS
STRTR	Starter Relay (PCM Relay)
VSES	Vehicle Stability Enhancement System
WPR	Wipers (On/Off)
WPR 2	Wiper 2 (High/Low)

Miscellaneous
A/C CLTCH	Diode — Air Conditioning, Clutch
MEGA FUSE	Mega Fuse
WPR	Diode — Wiper

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2.9L and 3.7L

5.3L

#	Usage
A	Trailer Park Lamp
B	Communication Interface Module
C	Supplemental Inflatable Restraint System, Sensing and Diagnostic Module
D	Trailer Auxiliary Maxi-Fuse

Trailer brake

The trailer brake relay is located on the bottom side of the battery harness.

2011, 2012

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Assignment of the fuses in the engine compartment (2011, 2012)

Name	Usage
O2 SNSR	Oxygen Sensors, Air Injection Reactor (AIR) Relay
A/C	Air Conditioning Control Head, Power Seats
A/C CMPRSR	Air Conditioning Compressor
ABS	Antilock Brake System (ABS), ABS Module, Four-Wheel Drive, Gravity Sensor
ABS 1	ABS 1 (ABS Logic)
ABS 2	ABS 2 (ABS Pump)
AUX PWR 1	Accessory Power 1
AUX PWR 2	Accessory Power 2
BCK/UP	Back-up Lights
BLWR	Climate Control Fan
CLSTR	Cluster
CNSTR VENT	Fuel Canister Vent Solenoid
CRUISE	Cruise Control Switch, Inside Rearview Mirror, Transfer Case Control Module, Brake Switch, Clutch Disable
DR/LCK	Power Door Locks (If Equipped)
DRL	Daylight Running Lamps
ERLS	Mass Air Flow (MAF) Sensor, Can Purge Solenoid, Air Injector Reactor (AIR) Relay
ETC	Electronic Throttle Control (ETC)
FOG/LAMP	Fog Lamps (If Equipped)
FRT PRK LAMP	Front Park/Turn Lamps, Driver and Passenger Side Power Window Switches Lighting
FRT/AXLE	Front Axle Actuator
FSCM	Fuel System Control Module
BACKUP LAMP	Back Up Lamp
HORN	Horn
HTD/SEAT	Heated Seat (If Equipped)
IGN	Ignition, Clutch Starter Switch, Neutral Safety Back-Up Switch, Ignition Coils 1-5, Air Conditioning Relay
INJ	Injectors
LT HDLP	Driver Side Headlamp
PCM B	Power Control Module (PCM) B
PCMI	Power Control Module (PCM)
PWR/SEAT	Power Seat Circuit Breaker (If Equipped)
PWR/WNDW	Power Windows (If Equipped)
RDO	Radio
REAR PRK LAMP	Rear Parking Lamp 1, Passenger Side Taillamp, License Plate Lamps
REAR PRK LAMP2	Driver Side Rear Taillamp, Passenger Side Airt>ag Indicator Lighting, Instrument Panel Dimming Power (2WD/4WD switch lighting)
RT HDLP	Passenger Side Headlamp
RVC	Regulated Voltage Control
S/ROOF	Sunroof (If Equipped)
STOP	Stop Lamps
STRTR	Starter Solenoid Relay
TBC	Truck Body Controller
TCM	Transmission Control Module
TCCM	Transfer Case Control Module
TRAILER BRAKE	Trailer Brake
TRANS	Transmission Solenoid
TRN/HAZRD FRT	Turn/Hazard/Courtesy/Cargo Lamps/Mirrors
TRN/HAZRD REAR	Rear Turn/Hazard Lights
VSES/STOP	Vehicle Stability Enhancement System/Stop
WPR	Wiper
WSW	Wiper/Washer Switch

Relays
A/C CMPRSR	Air Conditioning Compressor
Backup Lamp	Backup Lamp
BEAM SEL	Beam Selection
DRL	Daylight Running Lamps
FOG/LAMP	Fog Lamps (If Equipped)
HDLP	Headlamps
HORN	Horn
IGN 3 HVAC	Ignition 3, Climate Control, Climate Control Head Fuse, Power Seat Fuse
PRK/LAMP	Front Parking Lamp Fuse, Rear Parking Lamps
PWR/TRN	Powertrain, Electronic Throttle Control Fuse, Oxygen Sensor Fuse
RAP	Retained Accessory Power (Power Window Fuse, Wiper/Washer Switch Fuse), Sunroof Fuse
RUN/CRNK	Run/Crank, Airbag System Fuse, Cruise Control Fuse, Ignition Fuse, Back-Up Lamps, ABS Fuse, Front Axle, PCM-1, Injectors Fuse, Transmission Fuse, ERLS
STRTR	Starter Relay (PCM Relay)
VSES	Vehicle Stability Enhancement System
WPR	Wipers (On/Off)
WPR 2	Wiper 2 (High/Low)

Miscellaneous
A/C CLTCH	Diode — Air Conditioning, Clutch
MEGA FUSE	Mega Fuse
WPR	Diode — Wiper

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2.9L and 3.7L

5.3L

#	Usage
A	Trailer Park Lamp
B	Communication Interface Module
C	Supplemental Inflatable Restraint System, Sensing and Diagnostic Module
D	Trailer Auxiliary Maxi-Fuse

Trailer brake

The trailer brake relay is located on the bottom side of the battery harness.

Learn more:

How to check the fuses?

How to replace a blown fuse?

Why do car fuses blow?

Types of automotive fuses

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