Popular with Honda enthusiasts and engine swappers alike, the Acura RSX represents the first of the next generation VTEC engines. If you happen to own a K20 equipped RSX and want to upgrade your stereo, there’s several ways to go about it. You can either take your Acura to a local stereo installer or save money and to it yourself. If you are installing an aftermarket stereo into your Acura RSX on your own, you can save time using our RSX Stereo Wiring schematic.
This car audio wiring guide can help you get your RSX stereo installed properly. Without 
When you are installing an RSX stereo, you can use a car audio wiring harness. This harness can make the job easier for you, however if you are manually wiring it this guide can help.
The factory Honda stereo in your Acura RSX is mounted through a single DIN and optional pocket. Removal of your stock RSX radio will require you to pull off the faceplate and surrounding plastic trim, as shown above.
This is to ensure that your aftermarket stereo and motorized face won’t run into the climate controls above your RSX stereo.
You can use this car stereo wiring guide to install a single DIN stereo, as shown to the left. You can mount the pocket underneath in the factory position.
Of course the Acura RSX also came with 2 different types of factory stereo. The Bose system came equipped from Acura in premium models, and are slightly different than the traditional stereo wiring.
2002-2006 RSX Stereo Wiring Guide – Bose System
Car Radio Constant 12v+ Wire: White/Red
Car Radio Switched 12v+ Wire: Yellow/Red
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Red/Black
Car Stereo Dimmer Wire: Red
When you need to wire up the speakers to your aftermarket stereo, you’ll need to access the amplifier.
You can also wire up the RSX speakers through the Acura RSX Stereo Wiring Diagram below.
Left Front Speaker Negative Wire (-): Brown
Right Front Speaker Positive Wire (+): Orange
Right Front Speaker Negative Wire (-): Green
For the rear speakers the wiring will vary depending on what you need to get installed. This car audio wiring guide can help you complete your stereo install.
Left Rear Speaker Positive Wire (+): White
Left Rear Speaker Negative Wire (-): Black
Right Rear Speaker Positive Wire (+): Yellow
Right Rear Speaker Negative Wire (-): Red
2002-2006 RSX Stereo Wiring Guide
Of course you can install a double DIN stereo into your RSX. This will eliminate the single DIN pocket and allow you to install any navigation system.
Either way the front fascia and plastic guides will snap over your stereo mounting brackets.
Car Radio Constant 12v+ Wire: White/Red
Car Radio Switched 12v+ Wire: Yellow/Red
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Red/Black
Car Stereo Dimmer Wire: Red
Car Stereo Antenna Trigger: Brown
Because this isn’t a Bose system, you won’t need to wire up the car stereo amplifier. This lack of car amp gives you an easy install when you are using our RSX Stereo Wiring schematic.
Left Front Speaker Positive Wire (+): Blue/Green
Left Front Speaker Negative Wire (-): Gray/Black
Right Front Speaker Positive Wire (+): Red/Green
Right Front Speaker Negative Wire (-): Brown/Black
Wiring up the rear speakers is also much easier due to the lack of the car amplifier. When you are installing any aftermarket stereo, you can use our comprehensive RSX Stereo Wiring diagram to do it.
Left Rear Speaker Positive Wire (+): Blue/Yellow
Left Rear Speaker Negative Wire (-): Gray/White
Right Rear Speaker Positive Wire (+): Red/Yellow
Right Rear Speaker Negative Wire (-): Brown/White
Have any questions about our DIY RSX Stereo Wiring tutorial? Leave us a comment below and let us know!