Quote:
Originally Posted by LoadStar
So instead of just griping, how about providing suggestions for improvement, and so others who have the same car as you can benefit from your experience?
For instance, I'm currently looking at working on an LX coupe, as said above, and I could use any tips you have to provide... as is, knowing that "this DIY is useless" is equally useless.
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lol I meant this DIY is useless for dx,lx coupes and non-si Sedans. For the rest, it works perfectly(EX coupe, si coupe and si sedan).
Don't use any RCA connectors. Use the connectors from the power plug and solder them to the metra kit for the speakers.
Let me quote what I posted on the other thread:
Quote:
Originally Posted by striker_1818
Well, some people will follow the DIY on here about the D3 installation and get Frustrated because of the no sound and trying their hardest to find the amp wire. Probably disassamble everything and taking the car apart to find that amp wire to get the speakers to work. However, when putting RCAs from the factory speakers and getting them to work with a HU, the power from the stock harness(with no amp) will not be sufficient to turn on the RCA connectors thus you will have no sound. So, by reading the manual and testing with a multimeter for a 12v constant when the radio is on, I found out you just have to connect the wires from the power cord(aftermarket unit power plug) directly to the oem plug. In other words, whenever you're installing an aftermarket HU or aftermarket navigation unit and you have no amp from the factory, you wil have to look at the power plug and find the following wires since they are universal:
(Aside from the red, yellow, orange/white and black) you will see more 8 wires:
1- white - positive front
2. white/black - negative front
3. Gray - positive front
4. Grey/black - negative front
5. Green - positive rear
6. Green/black - negative rear
7. violet - positive rear
8. violet/black - negative rear.
If you have an aftermarket subwoofer already installed professionaly, you have to know which one is positive and which is negative. You will have two from each(at 2 ohms each subwoofer). Combine the two positive and connect the two wires(usually green or red) to the violet wire from the power plug on the aftermarket HU. Then, connect the negative wires of the subwoofer(combine them) to the violet/black wire on the power plug(if using a pioneer HU, #7 and #8 are the violet and violet/black wires). If you hook them up to the green and green/black(#5 and #6), you will blow a fuse or short something out.
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Quote:
Originally Posted by striker_1818
Every aftermarket Unit uses RCA connectors and that is used if you have an amplifier from the factory. If you connect RCA directly to the speakers with no amp, there will not be enough power to drive the speakers.
Many cars come with an amplifier but there are others without an amplifier from the factory. That's why you do not use those RCA connectors but use the power plug to connect to the speakers directly(follow instructions from your manual to know which wires you need to use)
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