[Kenwood] din plug for amplifier

[Todd Ruby]

Can anyone advise me the best way to wire the 7 pin DIN plug that connects
the 570 to the relay in the Ameritron amp? I have an audio cable with RCA
plug for the amp side, i am just not sure the best way to wire the leads to
the DIN plug

TIA
de 
WB2ZAB
todd