Red= positive [Maddog1331 was right about where to tap into power.]
Black= ground
The other two are your speaker + connections. Wire the negative terminals of your speakers to ground (sheet metal should suffice.)
If you really want to find out all the info about that deck contact the manufacturer -
Coustic
Azimuth is for adjustment of the tape head gap relative to the tape.
__________________
I'm a little
and a lot
Ground beef: A cow with no legs.
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'66 Chevy SWB "Penny"
'67 Chevy Big Window SWB- aka
"Pearl"
'72 Burb- "Betty"
"It's not a hearse dammit"
'99 Chevy Ext. cab Silverado