[sparq]

They wont give you a warranty if you installed it yourself 99% of the time... looks like you are SOL my friend.

And if a SHOP installed it, fucking take it back and have them replace it for christ sake. But seriously I wouldnt go back to a shop like that... find a new shop after you get your amp. Id also request that they pay for it to be installed somewhere else since that short could have lead to your car catching on fire - I wouldnt have much faith in them installing it correctly this time.