Below are the standard wire colors and functions for the main 20-pin and 24-pin connectors found behind the radio. Note that Honda uses a specific color code that differs from the generic aftermarket standard (red = accessory, yellow = memory).
The 2006-2011 generation of the Honda Civic remains one of the most popular cars on the road today. While known for reliability, the factory audio systems in these vehicles—especially the speakers—are prone to wear and tear. Furthermore, the integrated dashboard design makes installing a new stereo intimidating for many DIYers.