2016 Freightliner has one double harness & a separate smaller two wire harness. Neither fit in the back of my new Alpine simgle DIN. Do I need two adaptor harnesses, or will both these be merged into one new adaptor? Does your adaptor(s) come with
January 9th, 2017
The BT ISO DIN comes with the colors and instructions. Usually match the same colors on your aftermarket radios.