Optimus 120-1995 - Manual (Page 3)

terminal.
4. Connect the harness' green wire to the left speaker's negative (-)
terminal.
Connecting Four Speakers
If you are using both front and rear speakers, set 4CH/2CH on the left
side of the stereo to 4CH. Then connect the speakers to the supplied
harness as follows.
1. Connect the harness' gray wire to the front-right speaker's positive
(+) terminal.
2. Connect the harness' gray/black wire to the front-right speaker's
negative (-) terminal.
3. Connect the harness' violet wire to the rear-right speaker's positive
(+) terminal.
4. Connect the harness' violet/black wire to the rear-right speaker's
negative (-) terminal.
5. Connect the harness' white wire to the front-left speaker's positive
(+) terminal.
6. Connect the harness' white/black wire to the front-left speaker's
negative (-) terminal.
7. Connect the harness' green wire to the rear-left speaker's negative
(+) terminal.
8. Connect the harness' green/black wire to the rear-left speaker's negative
(-) terminal.
CONNECTING TO OTHER COMPONENTS
You can connect other audio components (such as an equalizer/booster or
amplifier) to your stereo's speaker or line level outputs. Check the
component's owner's manual for instructions on connecting it to a stereo
and to power.
If you want to turn the optional component on and off with the stereo,
you can connect it to the stereo's dark blue/white wire (labeled AMP
REMOTE TURN ON). This wire does not provide power to the component. It