• Basic Wiring Harness: Allows for installation of an aftermarket radio. *Excluding Ridgeline vehicles equipped with factory touchscreen.
• Wiring + SWC Retention: Allows for installation of an aftermarket radio while retaining use of the controls on the steering wheel that are lost when the factory radio is replaced.  No programming required. Will work on non-amplified and amplified vehicles. *Excluding Ridgeline vehicles equipped with factory touchscreen.
• Antenna Adapter: Allows for installation of an aftermarket radio without the need to replace the factory antenna.

*Doesn’t make sense? Check this link for more info: