PD I normally always associate with the minefield that is the amp in the rear wing. Towing is a favourite attack point for anyone looking to steal a supply of 12v. Many many have aborted headset upgrades and stuck their old infinity OEM set back in. AndyB2000, no longer a regular or GV user, a thoroughly nice bloke is the expert (radio station electronics engineer). You could try to "PING" him on the two Chrysler forums as he's known to occasionally come back here and read the group's, see below: http://www.thebmwz3.co.uk/2017/12/chrysler-audio-system-amplifier-and.html?m=1 Sorry I can't be more helpful my friend.