Sup guys,

I've got a single Kicker 12" sub hooked up to an Alpine amplifier that has been working fine since I installed it a few months ago. Lately though the amp continues to pop fuses as soon as it turns on.

I've checked basic stuff like connections to the battery and to the amp, turned the gain down, etc. Does anybody have any other suggestions as to what this could be?

 

check the sub itself, and the wiring going to the sub. it's possible you shorted one of the speaker cables to the chassis.
could be 15 other things, including a blown amp.

check resistance of the sub and resistance to ground between each lead.
then leave the sub disconnected and turn on the amp. if it blows the fuse with no load connected, then something is FUBARd inside the amp.

 

disconnect the sub lead from the amp. still blows? probably a bad amp....



probably a bad amp

 

Alpine amps haven't been known to be of the highest quality.

About 8 or so years ago, I had Sound Advise install an Alpine head unit, JL W3v2 sub and an Alpine amp in my Audi I had at that time. When I went to pick up my car and the installer was doing an audio demo for me, the sub quit producing bass. He then pulled it back inside the shop to check everything out and the amp actually quit working! LoL Anyways, I ended up getting a more expensive Clairon amp for no additional charge.

I would probably have that amp checked out first to see what's up with it to keep yourself from chasing your tail with wires, connectors, resistance values, and so on.

 

Check your ground connection.and i hope your not using one of the seat mounting bolts for the ground!