2004 Gmc Sierra Wiring Diagram

By | February 5, 2023



The 2004 Gmc Sierra is a workhorse of a truck that allows you to do more than just transport your gear from one location to the next. It’s also capable of performing some complicated electrical tasks, such as installing a radio, wiring up a trailer hitch, or running off-road LED lights. To make any of these tasks possible, however, you’ll first need the correct wiring diagram for your 2004 Gmc Sierra. That’s why we’ve scoured the internet to provide you with the best 2004 Gmc Sierra wiring diagrams.

These diagrams will help you identify the various components and connect them in the right order to make sure your electrical project goes as planned. The diagrams are easy to read and also follow logical flow paths, making it easier to spot any mistakes you make while wiring. If you’re unfamiliar with how to identify each component, there are also descriptions included with the diagrams to assist you.

No matter the project you’re completing on your 2004 Gmc Sierra, ensuring you have the right wiring diagram will make all the difference. If you’re looking to upgrade the sound system, you’ll need a diagram to ensure you’re connecting all the components in the correct order. Or, if you’re wiring up a trailer hitch, you’ll need to make sure you’re connecting the correct wires for the trailer lights to function.

Having the correct wiring diagram can make these complicated tasks a breeze. We’ve done the searching for you and collected the best 2004 Gmc Sierra wiring diagrams for you to use with your project. So, what are you waiting for? Get out there and start wiring up your Gmc Sierra.


Chevy Silverado Avalanche Gmc Sierra 12022 2005 Instrument Cer Analog Schematics Repair Guide Autozone

Chevy Silverado Avalanche Gmc Sierra 12022 2005 Instrument Cer Analog Schematics Repair Guide Autozone


Cmp And Ckp Sensor Circuit Diagram 12022 2006 V8 Silverado Sierra Suburban Tahoe Yukon

Cmp And Ckp Sensor Circuit Diagram 12022 2006 V8 Silverado Sierra Suburban Tahoe Yukon


Trailer Wiring Diagrams Etrailer Com

Trailer Wiring Diagrams Etrailer Com


2004 Silverado 1500 Ls Base Am Fm Radio Harness Repair Chevy And Gmc Sierra Forum

2004 Silverado 1500 Ls Base Am Fm Radio Harness Repair Chevy And Gmc Sierra Forum


4x4 Switch Wiring Shematic Gmc Truck Forum

4x4 Switch Wiring Shematic Gmc Truck Forum


5 3 Wiring Harness Diagrams Here Ls1tech Camaro And Firebird Forum Discussion

5 3 Wiring Harness Diagrams Here Ls1tech Camaro And Firebird Forum Discussion


Need Wiring Diagram For 2003 Gmc 2500hd Fog Light Rear Cargo Switch Plug

Need Wiring Diagram For 2003 Gmc 2500hd Fog Light Rear Cargo Switch Plug


Wiring Schematic For Bose Amp Speakers Chevy Trailblazer Ss And Gmc Envoy Forum

Wiring Schematic For Bose Amp Speakers Chevy Trailblazer Ss And Gmc Envoy Forum


Need Wiring Diagram For 2003 Gmc 2500hd Fog Light Rear Cargo Switch Plug

Need Wiring Diagram For 2003 Gmc 2500hd Fog Light Rear Cargo Switch Plug


Bose Speaker System Need Wiring Diagram Please 12022 2013 Silverado Sierra 1500 Gm Trucks Com

Bose Speaker System Need Wiring Diagram Please 12022 2013 Silverado Sierra 1500 Gm Trucks Com


03 06 Chevy Silverado Gmc Sierra Fuse Box Diagram

03 06 Chevy Silverado Gmc Sierra Fuse Box Diagram


2003 2004 2005 2006 2007 Gmc Sierra Wiring Harness To Install Aftermarket Radio Com

2003 2004 2005 2006 2007 Gmc Sierra Wiring Harness To Install Aftermarket Radio Com


Wiring Schematic 4x4 2001 Sierra 2500hd Gm Truck Club Forum

Wiring Schematic 4x4 2001 Sierra 2500hd Gm Truck Club Forum


Power Window Wiring Diagram Swapped Out Doors On My 39 06

Power Window Wiring Diagram Swapped Out Doors On My 39 06


Power Distribution Gmc Sierra 1500 2004 System Wiring Diagrams For Cars

Power Distribution Gmc Sierra 1500 2004 System Wiring Diagrams For Cars


How To Gmc Sierra Stereo Wiring Diagram My Pro Street

How To Gmc Sierra Stereo Wiring Diagram My Pro Street


4x4 Switch Wiring Shematic Gmc Truck Forum

4x4 Switch Wiring Shematic Gmc Truck Forum


2004 Gmc Sierra Fuse Diagram Ricks Free Auto Repair Advice Automotive Tips And How To

2004 Gmc Sierra Fuse Diagram Ricks Free Auto Repair Advice Automotive Tips And How To


Bose Speaker System Need Wiring Diagram Please 12022 2013 Silverado Sierra 1500 Gm Trucks Com

Bose Speaker System Need Wiring Diagram Please 12022 2013 Silverado Sierra 1500 Gm Trucks Com