you need a remote for your amp to turn on. Line out converter to get rca's since the factory unit does not have rca output, the obvious box, speaker wire, amp kit.
What you want to do is a buy a "Line out converter". That will allow you use rca's since the factory deck doesnt have the output. You just need to tap into your speaker wire for a signal. So you can connect it to your left and right rear speaker. Once you connect your line out converter you can connet the rca's from the line out converter to your amplifier. Now you need to run a pwr cable from the battery to your amp and ground it. And connect your sub to the amp. Now your amp has power but it wont know when to turn on so your going to need a remote wire. The easiest is to tap into a fuse that will turn on when the ignition is on. I can tell you which fuse to use if you want. Now your subwoofer should work with your factory head unit. ta dah
What you want to do is a buy a "Line out converter". That will allow you use rca's since the factory deck doesnt have the output. You just need to tap into your speaker wire for a signal. So you can connect it to your left and right rear speaker. Once you connect your line out converter you can connet the rca's from the line out converter to your amplifier. Now you need to run a pwr cable from the battery to your amp and ground it. And connect your sub to the amp. Now your amp has power but it wont know when to turn on so your going to need a remote wire. The easiest is to tap into a fuse that will turn on when the ignition is on. I can tell you which fuse to use if you want. Now your subwoofer should work with your factory head unit. ta dah