Headunit/Equalizer Install - Need the Pro's!!!!!

[TegoXR]

Really need help on this one! This is for my '91 4Runner, currently has the Sony CDX-GT420U headunit, it only has a one set of pre-outs which is for rear/sub. Trying to figure out how to install an Alpine ERE-G180 equalizer, it has the INPUT, Front, Rear and Subwoofer inputs. How would I install this?

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[keep_hope_alive Premium Member]

you would have a stereo RCA pair from the Sony rear outputs to the Alpine inputs. then you run three stereo RCA pairs from teh Alpine back to your front/rear/sub amplifiers.

if you just have speakers powered from the head unit, you cannot use this (or any external) EQ. The ERE-G180 has no internal amplifier to power your internal speakers. some external EQ's did.