id like to install a sub and amp into my truck using my stock radio. i have everything i need i believe. ive heard i should tap into the rear speakers and splice in a line-out converter, which i have. is that right? also a friend said in order to power the amp i should run a wire into my fuse box and shove one end of the wire into the spot where the fuse for the radio would be, leaving the fuse in there as well. that work? will that do anything to my radio? thanks.

 

NO! Do not "shove" any wires into anything. The wire he was describing is the remote wire, which signals the to turn on. The power wire should be fused and ran to the battery.

 

Also, if you run off of the rear speaker and your fade is heavy to one side, you'll hear that in your sub. Another thing with doing that will be that your sub won't receive just the bass line but you'll get the mids that your 6"x8" gets too so what would be a sub is now just functioning as a large, out of door, door speaker.

You can run your line out from your stock radio to the amp and purchase an adapter for a sub so that you can connect to the line out.
They're around 25-30$.
Find your nearest speaker shop and see if they can order you one, nearly all knowledgeable shops will either have them in stock or be able to get them within a day.

 

If you have an audiophile hu you'll be disappointed because the rear speakers are high passed, so none of the lows will go to the LOC.

 

I almost went that route, I'm really happy i got a head unit and did it properly. It sounds Awesome! You can pick up a Clarion double din touch screen unit for like $300. Wait, Save the money and do it right the first time.

 

I agree i had mine run with the adapter off rear speakers it sounded ok but now i've got a new head unit with rear outputs for amp and wired it up right it sounds alot better.

 

i also done the adapter spliced into the rear speakers and it sounded great to me, until i put my new jvc hu in a couple weeks ago and hooked it all up and now i realize that before, it sounded awful.

 

I can appreciate what you guys are saying about how much better the sound is with an aftermarket HU....but I wonder how it would sound with a good summing device like the 3SIXTY or the Maxxsonics MX-1 and others that are out there instead of a cheap converter.

 

I am running a 3sixty.1 to supply signal to my amps. It sounds awesome and is much better than factory, but I replaced all my door speakers as well. I can't really see using a full on sound processor for just a sub though. If I was gonna go through the trouble I would go ahead and swap the door speakers too.

 

Yeah, I know what you mean, but supposedly from what I've been reading in the forum the bass is cut at higher volumes to prevent you from blowing the stock speakers.