HOW do you connect wire or install a amp amplifier into your stock radio stereo deck, is very easy u just need a level out put converter, what does a level output converter do it will make the speaker line covert into a rca output connection witch is what is needed for a amp to recive audio input, u can find these output converter in mostly any audio or major store they go around 15 to 40 dollars depnding where u buy, now thir is 2 types. one is just the speaker cables ond the other one come with the speaker cable as well with the remote wire connection . the remote wire turns on the amp if it is not connected then it will not turn on. so the one that comes with the remote wire is a bit more expensive. u dont really need it, like i said is just a switch. all u need to to do to connect the remote wire is find a power source that will only provide power when the car is on. best and easy way to do these is to go to the fuse box with is usually on the driver side below the steering wheel or side pannel.