Mk4 amp signal wire problem

[johnomk4]

I have recently added my sub and amp to my car, put all the wires through nice and tidy, set it all up and got it running, only to notice when I turn off my head unit the amp stays on ?

So I took out the head unit and checked the feeds from the car to find that the signal wire has a constant feed, even with the ignition off.

Surely this should go off when the head unit is turned off?? Or at least it did in my other cars.

[dragonfly]

The signal wire should be the blue remote lead.  Is the amp earthed correctly?

[johnomk4]

The signal wire should be the blue remote lead.  Is the amp earthed correctly?

Yea all the wires are right, so I checked the feeds at the head unit conector, with the head unit disconnected and it has a constant feed down it from the car.