TOP VEHICLE TECH GRKVX02 User manual
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.
V1.0821
GRKVX02
INSTALLATION MANUAL
This dash image is a visual representaon for display purposes only.
VAUXHALL
ANTARA 2006-2010
ASTRA 2004-2010
CORSA 2006-2009
ZAFIRA 2005-2014
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ABOUT THIS PRODUCT
The GRKVX02 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 GRKVX02 gives you everything you
need for a complete install in one box. The components of this kit are compable for the following vehicles with
either CD30/CDC40/CD50/CD70 factory stereos:
Antara 2006 - 2010 Astra (H) 2004 - 2010 Corsa (D) 2006 - 2009 Zara (B) 2005 - 2014
The wiring harness and interface will help to retain the steering wheel controls and original vehicle menus with
the new stereo. Supplied with a Quadlock connector.
NB: the fascia in this kit is for vehicles which feature a “centre crease” on the original radio/dashboard
CUSTOMER SUPPORT
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: help@topvehicletech.com
CONTENTS
• 1x Fascia plate (with accessories)
• 1x Instrucon manual
• 1x Steering wheel control harness and interface
• 1x Antenna adapter
• 1x Stereo patch lead
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FITTING GUIDE
1. Using a set of radio release keys, push them into the 4x ports found at each corner of the main radio.
STEREO REMOVAL
FASCIA PLATE SET-UP
1. With the main radio removed from the dashboard, place the new inner mounng trim onto the open
aperture and screw it into place with some self tapping screws (screws not supplied).
7. With the stereo situated correctly, simply place the new fascia over the front of the stereo.
2. Once done, simply pull the radio out of the dashboard and disconnect all the wiring.
6. Once the “Stereo Installaon” process is complete, simply push the stereo into the cage opening unl
the unit clicks into place.
2. Aach 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 spacers (Fig 1.) on the inside of the plates
(Fig 2.).
Fig 1. Fig 2. Fig 3.
3. Aach the spacer and plate combinaon to the corresponding side of the stereo using the screws that
come with the stereo. Test this set up outside of the dashboard by sliding into the radio cage.
4. Take the fascia in hand, and place it atop the caged radio combinaon. If the depth/alignment of the
stereo hangs out too much/is reccessed to far, use the radio removal keys (Fig 3.) to release the stereo
from the cage and repeat the process.
5. When you’re happy with the bracket alignment, proceed to install the cage (without the stereo) into the
dashboard. Then bend the tabs to ensure the cage doesn’t move.
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1. Take the steering wheel control interface and aach the 14-way steering wheel harness connector to
the relevant side.
2. 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.
3. Connect the antenna adapter to both the pre-exisng vehicle connecon and to the back of the new
stereo.
FITTING GUIDE
STEREO INSTALLATION
4. Aach the addional wiring on the harness to the back of the stereo:
Pink - Speed Pulse Green - Park Brake Purple - Reverse
5. 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.
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Please note: conguraon layout may dier dependent on vehicle model.
STEERING WHEEL CONTROL FUNCTIONALITY
1
2
3
4
5
1. Source
2. Track +
3. Track -
4. Volume +
5. Volume -
1. Source
2. Up Arrow
3. Down Arrow
4. Volume +
5. Volume -
Original Buon New Funcon
1. Hold the ‘Source’ (1) buon for approx. 2 seconds. This will enter the “Sengs” menu.
2. Using the ‘Volume +/-’ (4&5) buons, you are able to scroll through the various menu opons.
3. A short press of ‘Source’ (1) will enter a sub-menu.
4. Using the ‘Track +/-’ (2&3) buons will alter the highlighted opon.
5. Holding the ‘Source’ (1) buon again for approx. 2 seconds will exit the “Sengs” menu.
NAVIGATING THE SETTINGS MENU
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WIRING DIAGRAM
ISO Connector
Connect to new stereo
Quadlock Connector
Connect to Quadlock connector from vehicle
Main Wiring Loom
Connector [14 Pin]
Connect to Interface Box
Interface Box
Flying Wires
Pink - Speed Pulse
Green - Park Brake
Purple - Reverse Gear
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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NOTES
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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: help@topvehicletech.com
Mon - Fri 9am - 5.30pm GMT
TECHNICAL ASSISTANCE
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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