2012 dodge ram subs factory headunit how to#

One way around this is to also wire in a subwoofer control knob. This can be pretty frustrating as it means your subwoofer level may stay the same regardless of you turning up the volume knob on the stereo. They do this to prevent you from blowing up the stock speakers. One down side to wiring in an amplifier to a stock radio is that most stock stereos are self adjusting, meaning as you turn the volume up on the stereo, internally the stereo is usually keeping the bass level and the same in comparison to other frequencies. You do not want the amp wired up to constant power as this will drain your car battery. That would be the proper place to wire in the remote turn on lead. If you were testing all of your wires earlier with a multimeter, you should know which wire is a switched power source. This is not a standard feature of all line output convertors, so depending on which one you use, you may still need to find an accessory power source in the vehicle. If you use the PAC LP7-2 with signal sensing remote turn on, the line output convertor itself will give you a remote turn on lead. Now that you have your speaker wires figured out, we can move on to the remote turn on lead. Once you have determined the proper speaker wires for the rear speakers, you can tap into them and hook them up to the line output converter. If the speaker is sucking back in, you have positive and negative reversed. If the speaker is moving in and out, you have positive and negative correct. Once you hear sound, you need someone else to actually look at the speaker. If you have a pair of speaker wires, you will hear the speaker popping or scratching. Strip back a little bit of the wire and hook each end of the battery tester up to a pair of wires. Once you know what is not speaker wires, you can start testing pairs of wires. After removing the radio, using your meter, check for power, ground and accessory wires. This is a good idea if you ever plan on changing the stereo as your RCAs will already be ran. In most cases, you will want to wire the line output converter in behind the stereo. Testing stock stereo harness wires for remote turn on lead. You will want to make sure you are not sending power to any wires other than speaker wires, so that is where your multimeter comes in handy. Speaker wires tend to be grouped together, so look for what may be pairs to start testing. To make your speaker wire tester, simply take some speaker wire and electrical tape the positive wire to the positive post and the negative wire to the negative end of the battery. You will need a multimeter and a double AA battery with some speaker wire hooked up to it in order to test for for speaker wires and the phase. The factory speaker wires will not be labeled and will not be marked like typical aftermarket wiring harnesses. If you were to get the right rear speaker positive and negative correct, but the left rear speaker positive and negative reversed, you will have effectively canceled out your bass frequencies. If you just tap into a pair of speaker wires and happen to get some sound, you may not necessarily have positive and negative correct. It is very important to get the phase of the wiring correct. This will provide audio signal to your amp. These line output converters, also known as hi to low level converters, are typically wired into the rear speaker wires of a vehicle. Factory radios don’t have pre amp outputs, this adapter will convert factory speaker wire into a preamp output. This is what is going to feed signal into your amplifier. The first thing you will need, if you don’t already have it, is a line output converter. Line output convertor LP7-2 has adjustable input signals and signal sensing remote turn on. With the proper parts and correct wiring, this can be an easy way to improve your factory stereo system. Wiring up an amplifier to a stock radio is something that many of our customers do themselves.

2012 dodge ram subs factory headunit how to#

Want to know how to hook up an amp and sub to a stock stereo?