GM
model(s) wire color connection
gm123a Audio Audio
995432 Ground Ground
4120 N/C N/C
4145 Common PTT
4175 PTT Common
4230 receive receive
(not compatible with siver eagle plus)    
model(s) wire color connection
cbd-12 Audio Audio
7898540 Ground Ground
  N/C N/C
(not compatible with silver eagle plus) Common receive
  PTT Common
  receive dr
model(s) wire color pin number
gm23b Audio 4
  Ground 3
  N/C n/c
  Common 3
  PTT 1
  receive 2
model(s) wire color pin number
cbcd-10 Audio 1
gm23c Ground 2
  N/C n/c
  Common 2
  PTT 4
  receive 3