Glad you've done similar research so far. Not my pic, nor my hand //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif. I don't have one anymore. Used to.
Note that a DMM can get you the speaker negative outputs, they'll be tied together as a common ground. How many pins do you have total? You'll either have 8, 6, or 5 speaker output depending on how they did the common. Back then, it was common to have a common speaker ground for front/rear or all. Make sense? once you figure out the common, you could simply power up and use the fader and balance to narrow down the speaker positive pins. I understand the desire to get the speaker wire colors right the first time. Hopefully using industry standard wire colors. I will see what I can dig up.
Yea I'm trying to see if I can find a DMM. It has 10 pins for the output. Looking at the back of the EQ at the pins it has 5 upper and 5 lower. Reading from left to right, pin 1: Remote, pin 2: Ground, pin 3: ?, pin 4: front left +, pin 5: front right +, pin 6: +12v, pin 7: not used, pin 8: ?, pin 9: front left -, pin 10: front right: -.
As far as pins 3, 4, 5, 8, 9, 10; I do not know exactly what these are. I am going by conjecture and common speaker/pin placement. I have it hooked up and it seems that I am correct for the upper right at least either that or it's bridging lol. But it doesn't matter which ones are front or rear per se. As long as the speaker + and - are in the correct positions and the left and right are correct.
Any help would be greatly appreciated. i've searched for hours and now days for the correct combo with no luck. But I'm sure it's out there somewhere. As old as the EQ is, I'm sure someone has put it out there somewhere.
UPDATE!!! UPDATE!!!!! lol, I got the diagram for the hook up and wire color coding. Altho it says that the G160 is a 9 pin tri layered instead of the 10 pin double layer. Oh well, either way it works. I got it from Alpine after calling customer service. Thanx to Alpine. He also sent me the specs on it. So it's probably the user manual altho it's only 2 pages he sent me of it, but he most important lol. But here ya go. Now everyone that needs it can get it instead of searching for days and hours.