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Radio Shack 120-2157 User Manual page 7

Am/fm/cd weather band car stereo

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optional equipment, designed to run from a switched source, that you
want the stereo to turn on and off (such as a booster or a power
antenna).
Cut the loop at the end and strip about 1/2 inch of
insulation for connection.
Note:
This wire does not provide power to the components.
turns them on or off.
a wire tie and do not let it touch metal.
Connecting an Equalizer/Booster
If you are connecting the stereo to a separate equalizer or booster, you
need additional wires (not included).
To increase the total power output from your system, connect the R (right)
and L (left) line output jacks on the back of the stereo and blue/white
wire, if necessary, to the equalizer or booster.
Refer to the equalizer/booster's owner's manual for directions.
Connecting 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.
using only one pair of speakers, follow Steps 1 - 4 only.
1.
Connect the gray wire to the right front speaker's positive terminal.
This terminal is usually marked with a plus (+) sigh 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 (-) sigh, 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 rear speaker's negative
If you do not use this wire, secure it with
It simply
If you are

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