03 Dodge Ram Radio Wiring Diagram

If you own a 03 Dodge Ram and want to install a new radio or replace the existing one, it’s important to have a wiring diagram handy so that you can properly wire the new radio. In this article, we will provide you with a detailed wiring diagram for 03 Dodge Ram radio and a FAQ section to answer any questions you may have regarding the installation process.

Wiring Diagram

The following wiring diagram is for the 03 Dodge Ram radio:

Wire Color Function
Yellow Battery
Red Accessory
Black Ground
Blue Power Antenna
Orange Illumination
Green Left Front Speaker Positive
Green/Yellow Left Front Speaker Negative
Purple Right Front Speaker Positive
Purple/Yellow Right Front Speaker Negative
Gray Left Rear Speaker Positive
Gray/Light Blue Left Rear Speaker Negative
White Right Rear Speaker Positive
White/Light Blue Right Rear Speaker Negative

It’s always a good idea to double-check the wiring diagram before you start installing the new radio. Make sure you have all the necessary tools and equipment, including wire cutters, wire strippers, electrical tape, and a multi-meter.


1. How do I remove the old radio?

To remove the old radio, you will need to use a set of radio removal tools. These can be purchased at your local auto parts store or online. Once you have the tools, insert them into the holes on either side of the radio and gently pull the radio out of the dash.

2. Can I install a new radio myself?

Yes, you can install a new radio yourself as long as you have the necessary tools and wiring diagram. However, if you are not comfortable with electrical wiring or have never installed a radio before, it’s best to have a professional install the radio for you.

3. Is there anything I should be careful of when installing a new radio?

Yes, there are a few things to keep in mind when installing a new radio. First, make sure you disconnect the negative battery cable before you start working on the car’s electrical system. Second, be careful not to cut or damage any wires when you are removing the old radio and installing the new one. Finally, double-check all of your connections before you turn on the radio to make sure everything is working properly.

4. How do I test the new radio?

To test the new radio, turn on the car’s ignition and turn on the radio. Make sure you have sound coming from all of the speakers and that the radio is functioning properly. If you notice any problems, double-check your connections and wiring diagram.

5. Can I install a subwoofer with my new radio?

Yes, you can install a subwoofer with your new radio. However, you will need to purchase a separate amplifier and make sure the wiring is properly connected to the radio and subwoofer.


Installing a new radio in your 03 Dodge Ram is a relatively straightforward process as long as you have the necessary tools and wiring diagram. Always double-check your connections before you turn on the radio to ensure everything is working properly. If you have any questions or concerns, it’s best to consult with a professional.