electric aerial???

[smalls]

hi there imported my supra and it came with no alarm or headunit. i had a cat 1 alarm fitted then a put in a new double din headunit. when the immobiliser kicks in and i have keys in the ignition if i try to start it the aerial goes up if i hold the key all the way round. it stays up until i turn the immobiliser off and start the engine then it retracts straight away? the headunit is deffinitely wired in right so i dont know whats up with it? please help smalls! thx

[Lee P]

Take it to your local friendly car audio shop, they will sort it for you. There is no way of knowing what has been done in there without seeing it.