TOP VEHICLE TECH GRKAU01 Manual de usuario
www.topvehicletech.com
The informaon provided in this document is subject to change without noce due to changes and/or
improvements to the product/s.
V1.0521
GRKAU01
2003-2012
INSTALLATION MANUAL
This dash image is a visual representaon for display purposes only.
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The GRKAU01 installaon kit allows for the retenon of the vehicle’s steering wheel controls and helps maintain
the original aesthec of the interior when installing a new car stereo. The GRKAU01 gives you everything
you need for a complete install in one box. The components of this kit are compable for the Audi A3 (8P,
2003-2012) with Concert, Chorus or Symphony factory stereos. The wiring harness and interface will retain the
steering wheel controls, factory phone buons and the BOSE amplied system (if vehicle is equipped). Supplied
with both ISO & Quadlock connectors.
Installaons should be carried out by, or under the guidance of an experienced installer. If you do encounter any
problems during the installaon of this product, then please contact our dedicated customer service team at:
Phone: 01420 470 605 E-Mail:
• 1x Fascia plate (with accessories)
• 1x Instrucon manual
• 1x Steering wheel control harness and interface
• 2x Antenna adapter
• 1x Stereo patch lead
• 2x Stereo removal keys
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1. Slot the stereo removal keys into the four corners of the stereo, when suciently placed, remove and
disconnect the original head unit.
1. Start by aaching the brackets to the new stereo. These brackets allow you to set the specic depth of
the unit in relaon to the fascia plate. Start by lining up the spacerson the inside of the plates
.
2. Aach the spacer and plate combinaon to the corresponding side of the stereo using the screws that
come with the stereo. Then simply slide the stereo into the radio cage.
3. Take the fascia in hand, and slide the cage through the front of the fascia. If the depth/alignment of the
stereo hangs out too much/is reccessed to far, use the radio removal keys to release the stereo
from the cage and repeat the process.
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2. Take the steering wheel control interface and aach the 14-way steering wheel harness connector to
the relevant side.
3. Take the patch lead and only aach ‘Key 1’, ‘Key 2’ and ‘Ground’ to the corresponding wires on the
stereo. When done, connect the 12-way connector to the steering wheel control interface.
4. Connect the appropriate antenna adapter to the
back of the new stereo, this is dependent on the
pre-exisng vehicle connecon
5. Aach the red & white RCA connectors from the stereo wiring harness to the new stereo.
6. Aach the addional wiring on the harness to the back of the stereo:
- Speed Pulse - Park Brake - Reverse - Amp Remote*
*The blue wire is needed for vehicles where 12V amp remote is not located in the harness.
7. When all the above wires (and any addional accessories) have been connected, nally make the power
connecons between the stereo and the vehicles pre-exisng connector.
1. Idenfy which stereo connector you will need - either Quadlock or Mini ISO (.
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Please note: conguraon layout may dier dependent on vehicle model.
MODE
1
2
3
4
5
6
1. Track +
2. Track -
3. Volume +
4. Volume -
5. Mute
6. Pick Up (short press)/Hang Up (long press)
1. Track +
2. Track -
3. Volume +
4. Volume -
5. Mute
6. Speech
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ISO Connector
Connect to new stereo
Quadlock/Mini ISO Connector
Connect to relevant connector from vehicle
Main Wiring Loom Connector [14 Pin]
Connect to Interface Box
Interface Box
White/Red RCA Connectors (AUX)
Connect to back of stereo
Flying Wires
Pink - Speed Pulse
Green - Park Brake
Purple - Reverse Gear
Blue- Amp Remote
AUX
Stereo Connection (Patch)
Lead Connector [12 Pin]
Connect to Interface Box
Note: Must be connected
first, before power
connection is made to the
interface
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If at any point you experience any problems and need any assistance before, during or aer the
installaon process, please contact us via :
Phone: 01420 470 605
E-Mail:
Mon - Fri 9am - 5.30pm GMT
If you would like to download a digital copy of this manual, or any other product, then please
visit the www.topvehicletech.com website.
This manual is considered correct at the me of prinng but is subject to change. For the latest
manuals & updates, refer to our website.
Copyright 2021 by TopVehicleTech.
All rights reserved. No part of this publicaon may be reproduced, distributed or transmied
in any form or by any means, including photocopying, recording, copying or other electronic or
mechanical methods, without the prior wrien permission of the author.
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