What model? It's you remote wire. double check it. Sony HU are not very good no offense. You should get an Alpine or Pioneer. They are easy to use and they are very nice. (No problems).
The rem wire is the same as the ant wire. do you know the right wire to connect the rem wire from the amp? Also my truck cuts off when i hit a big bump but i made sure all the wires had a good connection...
My bad i thought you meant pwrantenna. Its the same wire. Most units have the same "remote" or antenna wire. Most of the time this wire is blue and can be used for both amp remotes and antennas, sometimes simultaneously.