model(s)

Saturn, 2100, Galaxy II, Super Galaxy, DX-33HML, DX-44V, DX-55V, DX-66V, DX-73V, DX-77HML, DX-88HML, DX-99V, DX-949, DX-959, DX-95T, DX-95T2, , DX-2517....

Oh...hey...ALL models of Galaxy ever made were this wiring.

 
1   4
   
2   3
 
Audio white 2 Audio
Ground shield 1 Ground
Common red 1 PTT
Common
PTT blue 3 TX
receive black 4 RX