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Old 07-01-2008, 01:52 PM   #1 (permalink)
eightball
BenzWorld Junior Member
 
Date registered: Apr 2008
Vehicle: 99 E430
Location: Los Angeles
Posts: 13
Existing Mic - What am I doing wrong?

Okay, I know there are easier ways but I'm nuts (as will become apparent in a moment). I'm trying to do this in a 99 E430

So I'm trying to tie into the existing mic for an alpine bluetooth kit. Here's what I've pieced together from the forums. Now somewhere I'm doing something wrong but I don't know where.

1. The existing mic terminates at the db25 connector in the trunk (pins 14 & 15).
2. That same db25 connector in the trunk connects to the rj50 in the center console (pin 1 of rj50 = pin 23 of db25 & Pin 7 of rj50 = pin 1 of db25).

What I'm trying to do is to patch the mic into the rj50 connector and then from the rj50 connector to my bluetooth kit mic in. I've used a db25 to ethernet connector and then built a little rj45 connector that loops the mic signal back (i.e. db25 Pin 14 is looped to db25 pin 23).

Now I realize this is as convoluted and nuts as could be and the intelligent answer is just add a new mic and run the cable down the side bolster but I'd really like to use the built in mic if possible.

Can someone lead me down the right path.

Thanks,

Anthony
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