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There is an easy way to determine the pin-out for the connector. I haven't tried it but it just came to mind while reading this. I work in the home audio and integration industry and have a tool called a "toner". Some may know what this is but for thoes that don't it's a tool that allows you to send a "tone" over a wire. This allows you to find the wire carrying the tone where ever it runs in a house by using a tool called an inductive amplifier.. it's a little wand with a button on it.. real simple.
If the wire leads you are hooking the toner up to are attached to a speaker, the speaker will reproduce the tone. sound like .. deeedle deeedle .. over and over again. I use this method to test a driver out of the box and to identify speakers installed if the wire isn't labeled. You can get one of these things at home depot and they can be costly.
You can acheive the same effect by using a 9 volt battery and "poping" the speaker, you'll hear a pop at the corresponding speakers. Be careful, it is possible to damage a speaker if you leave the battery on for a while, but doubtful. If you are really worried about it, slap a resistor in line to the battery.
So that's my input. Like I said I've yet to attempt this on my own monsoon system and I am also new to carputers. I am in the process of putting together my first carputer. If anyone sees a flaw in this process on this system please inform me!
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