◆◆Compatible with 4 major manufacturers! Conversion Audio Harness ◆◆ ■ Previously 14-pin, but 18-pin is now being adopted recently. ■ Allows you to easily install a new 18-pin connector radio on a 14-pin vehicle. ■ This is a conversion coupler harness for adapting an 18-pin navigation system (audio) to an older 14-pin truck. Product Details Set Contents ■ Audio conversion harness x 1 Compatible Vehicles ■ Old audio 14-pin vehicles ■ 12V/24V compatible Type of parts... Harness/Switch Compatible car manufacturers... General purpose Notes ※ Please be sure to check the coupler shape. ※ Minor specification changes may occur depending on the stock situation. ※ Please bear the costs of installation and removal labor. ※ Please note that there may be minor scratches that appear to have been made during transportation or storage. ※ The package may have dents or scratches during transportation. (There is no problem with the contents of the product.) ※ We cannot provide explanations or support for installation. We have a large number of other car accessories for sale. #AriaNet We will update it from time to time, so please take a look if you like.