Optimus 120-2154, 120-2155 manual Connecting Two Pairs of Speakers

Connecting Two Pairs of Speakers

If you are using both front and rear speakers, follow these steps to connect the harness with the 14-pin connector to the speakers.

12-2154 Only: Before connecting the speakers, remove the tape that holds the mounting sleeve in place and slide the sleeve off of the stereo. Then set 2CH/4CH on the bottom of the stereo to 4CH.

(White) - Front Left Speaker (+)

(White/Black) - Front Left Speaker (-)

(Gray) - Front Right Speaker (+)

(Gray/Black) - Front Right Speaker (-)

(Green) - Rear Left Speaker (+)

(Green/Black) - Rear Left Speaker (-)

(Violet) - Rear Right Speaker (+)

(Violet/Black) - Rear Right Speaker (-)

1.Connect the gray wire to the right front speaker's positive terminal. This terminal is usually marked with a plus (+) sign or red mark.

2.Connect the gray/black wire to the right front speaker's negative terminal. This terminal might be marked with a minus (-) sign or it might not be marked at all.

3.Connect the white wire to the left front speaker's positive terminal.

4.Connect the white/black wire to the left front speaker's negative terminal.

5.Connect the violet wire to the right rear speaker's positive terminal.

6.Connect the violet/black wire to the right rear speaker's negative terminal.

7.Connect the green wire to the left rear speaker's positive terminal.

8.Connect the green/black wire to the left speaker's negative terminal. Connecting One Pair of Speakers

For 12-2155: If you are using only one pair of speakers, follow Steps 1-4 in "Connecting Two Pairs of Speakers" above to connect the harness with the 14-pin connector to the speakers.