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Hardwiring Radar onto factory switch. Problem...

///Audience

Ready to race!
Ive spent the better part of the day wiring this up.

I tried using this article as a guide

http://www.audiworld.com/tech/elec156.shtml

Sadly, the AudiWorld diagrams do NOT apply to the GTI parking assist switch. However, through tons of trial and error, ive been able to correctly pin the 12v/ground for both red and yellow LED's. This allows the button to illuminate with the other interior LED's and flash yellow when im hit with radar. Where im stuck on is the mute.

According to the diagram on Audiworld, the mute is the yellow wire and simply needs to connect to a single pin. I only have 2 pins left...




As you can see, pins 4 and 5 correspond to the yellow circles. These must be activators for the push button. Ive tried connecting the yellow mute wire to each of these pins individually as well as both together. Ive also tried putting ground to one pin and the yellow to the other and nothing works.

Does anyone know what happens inside the Escort mute switch that causes it to mute? Is it completing a ground or is there current supplied? Any help would be greatly appreciated.
 

kec789

Ready to race!
Kudo's for taking on this task but I can't help ya with this one. I hard wired my Bel RX-65 into my GTI and there's an easy to reach mute button on the RX-65 along with auto mute. I mounted mine onto the rear view mirror so reaching it's easy.

What make and model of detector are you installing? I know the Bel and Escort's have a mute button built into the power cord that comes with them so I would think you could jump off of that to get what you are after. I could be way, way off base here though. Sorry if I am.
 

///Audience

Ready to race!
Well, ive been able to find out that the mute button is simply a completed ground. However, i still cant seem to get this working. The only 2 pins left are attached to the left gold circle. My guess is that when the button is pushed, the two circles are connected and completing the ground. I cant figure out why 2 pins are on one circle and theres none connecting the other...
 

///Audience

Ready to race!
finally got it! ill do my best to post my findings soon
 
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