If the computer could not read anything because of a "High voltage accessory" then it would probably be your amp. I don't know how big of an amp you have installed but amps work by drawing large amounts of electricity (high voltage) from your battery. Therefore i would guess the problem would be...
I agree with the other guy. Car audio is VERY tricky. What i tell people is that, you will be spending more than you anticipate. There is a lot more that goes into subs than people think. I'll try to do a rough price breakdown for you...
2 10 inch kickers with a box NEW will run you about...
most likely, your speakers can't handle the power they are getting. I suggest getting some aftermarket speakers. Even if they are a cheaper brand, they will make a HUGE difference. I promise you will not be dissapointed.
Like the other guy said, bazooka tube. They are the equivalent of an 8 inch sub and put out surprisingly good bass. As for an amp, look for one that is used. Search craiglist to find this. You will also need a wiring kit though, which will be at least another 50. Be prepared to spend more than...
the big three, in simplest terms are the major wires running from your battery to other "accessories". If your problem is dimming headlights, indicator lamps etc... then a capacitor will only worsen the problem. Do not listen to what anyone says about caps. Caps are just another thing that draw...
the big three, in simplest terms are the major wires running from your battery to other "accessories". If your problem is dimming headlights, indicator lamps etc... then a capacitor will only worsen the problem. Do not listen to what anyone says about caps. Caps are just another thing that draw...