6 Pin DIN Input Cable wire ID?

I acquired a vintage Audiomobile system with 3 SA amps8 and a crossover. My car didn't have a radio/receiver, but the system came with 6 pin DIN plugged cable. There are 6 pins, including a center pin.
Can anyone help me identify the wire assignments from the stereo's output?
My plan is to solder RCA cables to a plug to feed the system to test it. Thanks in advance

*SA-1000 (1)
*SA-400 (2)
*CXE-2
 
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FROM the stereo... Hmmmmm..... should be a 5 pin DIN to the input of the EQ, BUT if NO EQ... well, as the 6 pin DIN goes the CENTER pin is 12 volt + REMOTE wire to turn on and off the amp system. The TOP CENTER pin is the - signal grounds of the RCA leads combined. The next two pins on either side is L&R signal + input from RCA/stereo. the LOWER 2 pins are also LOOPED into the RCA GROUND from the top center pin. How its done on the old AUDIOMOBILE 6 pin inputs. OH YEAH.... I NEED a SA-400. If ya wanna SELL one, very interested here. ALOHA! BDBD/2023