Discount Car Stereo VOL-AUX Instruction Manual

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Serving the internet community since 1995
VOL-AUX
QUICK START AUXILIARY INSTALLATION GUIDE FOR SELECT 1984-01 VOLVO

Introduction:
This simply aux adapter allows users t to connect and play any audio device via a
3.5mm jack to select 1984-01 Volvo CD changer ready radios. This adapter
connects to the 8-pin CD changer port on radio which guarantees the best
quality playback on the car speakers. With this adapter you keep the factory
radio and enjoy music content stored on audio device or from the internet if
using Smartphone. The VOL-AUX replaces factory CD changer (if present).
Installation:
Radio must be pulled from the dash to connect the adapter.
Although not critical, we recommend disconnecting the
car battery. Keep in mind that most Volvo radios are
coded and will not operate without the code. Radio code
must be available for radio to operate upon
reconnection. The following guide is based on Volvo “SC”
radio.
1. To remove you must first push in on the release tabs at the bottom
Left/Right of Radio as seen in Fig. 1
Fig. 1
2. Once the tabs come out, pull on ring tabs as seen in Fig. 2
Fig. 2
3. Connect 8-pin plug (See Fig. 3) from adapter to CD changer port on
radio (See. Fig. 4).
Factory CD changer (if present) must be disconnected.
Fig. 3

Fig. 4
Radio’s 8-pin Changer port
4. Tap the yellow wire from adapter (See Fig. 3) to either
GREEN/BROWN wire at pin 3 or 9 on “SC” radio harness (See Fig. 5)
Other Volvo radios use GREEN/RED wire at pin 9
Fig. 5
Radio 14-pin plug
5. Connect one end of supplied 3.5mm audio cable (See Fig. 6) to the
input jack on adapter (See Fig. 7) and route other end to the front of
the dash or wherever audio device will reside (within 3 ft.)
Fig. 6
3 ft. Aux cable
Fig. 7
Aux jack
Test Operation:
1. Turn radio “ON”
2. If required, enter radio code
3. Press "CD”, CH6, or “CHGR” button on radio
Note: If radio does not switch to CD changer, cycle ignition OFF/ON and try
again.
4. Put audio device in play mode and raise volume to 80%. If distorted,
lower the volume on device until playback is distortion free.
Use smartphone or audio device built-in controls to
access and control the audio files.
5. If correct operation is confirmed go ahead and reinstall the Radio.

Optional NF3A Noise Filter:
A noise filter (See Fig. 8) may be required. If there is alternator whine or
similar noise during playback, the noise filter must be installed.
Disconnect the YELLOW wire (from step 4) and connects Red wire output
side of filter.
Connect the RED wire on filter input side to GREEN/BROWN wire on radio
harness and BLACK wires (both in and out) to radio chassis (or Ground)
Fig.8
noise filter
Fig. 9
3.5F-DM
Frequent asked questions
1. Does the VOL-AUX work on all Volvo radios?
NO; the VOL-AUX works on select 1984-01 Volvo CD changer Ready “SC”, “CT”
and “CR” changer controls radios (8-pin port on back of the radio).
2. My radio has a built-in 6 CD changer, will the VOL-AUX work?
YES. Volvo 3 and 6-CD radios with built-in changers are supported. The
built-in CD changer is not affected, however any external CD changer (in
trunk/hatch etc.) must be disconnected.
3. Can I use the radio buttons to control audio device?
NO; the VOL-AUX does not control your audio device. Use the device built-in
controls to browse music library.
4. Will I be able to make phone calls using this device?
NO; but placing radio in CD changer mode and phone in speaker mode you
will be able to hear caller on the car speakers.
5. What happens if phone rings while playing music?
The phone will mute audio playback, you then decide to take or reject call.
Music playback will resume as soon as call ends.
6. I would like to have an aux jack on the dashboard. Is this possible?
YES; the optional 3.5F-DM dash mount cable provides a dash mount jack for
a factory look and finish. (See Fig. 9)
Disclaimer
• This product has no affiliation with Volvo.
• We’re not liable for misuse of this product.
•We recommend professional installation.
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©1995-Jul-21 Discount Car Stereo, Inc. All rights reserved. Information in this document is
subject to change without notice. Other products and companies referred to herein are
trademarks or registered trademarks of their respective companies or mark holders.