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TRC 446 Mic Mod

R

rb042

Member
Sep 2, 2008
1
0
11
Can anyone help me out here? I want to use a 4 pin mic on this 6 pin radio.
Any info would be appreceiated, Thanks (y)
 

You'll need a wiring diagram (from RS or hand-drawn by yourself) and a multimeter to determine the PTT leads and the audio leads. The other two pins would be for the up/down buttons on the stock mike. You won't be able to do the up/down functions with the 4-wire mike.
 

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