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stereo head unit
#900477
14th Sep 2014 7:45pm
14th Sep 2014 7:45pm
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Joined: Aug 2011
Posts: 186 wallasey
alann
OP
Enthusiast
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OP
Enthusiast
Joined: Aug 2011
Posts: 186
wallasey
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hi all, looking for a bit of advice regards head unit, the problem is....
when the ignition is on radio and cd work fine, backlight, station ID all show, start the engine all is lost, no sound, station ID, or cd, the only thing lit is the backlight, turn engine off and it all works again, head unit is wired correctly using an ISO connector, no damaged or cut wires, thanks in advance....
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Re: stereo head unit
[Re: alann]
#900498
14th Sep 2014 9:46pm
14th Sep 2014 9:46pm
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Joined: Jun 2011
Posts: 357 Wallasey
Habdab
Old Hand
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Old Hand
Joined: Jun 2011
Posts: 357
Wallasey
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sounds like you have no live connected that keeps the memory as the ignition switch cuts auxilliaries to ensure power to the starter.
Fetere sum, ego sum Ergo
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Re: stereo head unit
[Re: alann]
#900649
15th Sep 2014 5:17pm
15th Sep 2014 5:17pm
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Joined: Nov 2011
Posts: 1,925 Wallasey/New Brighton
j_demo
Forum Addict
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Forum Addict
Joined: Nov 2011
Posts: 1,925
Wallasey/New Brighton
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How would alternator affect loss of radio stations!!! Its just a theory but: no engine running = vehicle powered by battery. As soon as you turn engine on all electrics powered by alternator. Dodgy alternator = no electrics.
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Re: stereo head unit
[Re: j_demo]
#900789
15th Sep 2014 11:16pm
15th Sep 2014 11:16pm
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Joined: Dec 2012
Posts: 7,253 Our House In Our Road
ZipperClub
Wiki Addict
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Wiki Addict
Joined: Dec 2012
Posts: 7,253
Our House In Our Road
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So if it had no electrics how would the car start? If the alternator was faulty it would not charge the battery. Not the alternator for sure, just needs the wiring on the radio sorting.
One Way Or Another
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Re: stereo head unit
[Re: ZipperClub]
#901019
17th Sep 2014 11:13am
17th Sep 2014 11:13am
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Joined: Mar 2010
Posts: 3,902 bromborough/wirral
reddragon
Forum Guardian
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Forum Guardian
Joined: Mar 2010
Posts: 3,902
bromborough/wirral
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all stereos I've wired into cars have used red and orange together or red and yellow together to keep memory live hope this helps
ALWAYS REMEMBER BIG BROTHER IS WATCHING YOU:::::::: Have a nice day and an even better one tomorrow
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Re: stereo head unit
[Re: alann]
#901024
17th Sep 2014 12:11pm
17th Sep 2014 12:11pm
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Joined: Aug 2005
Posts: 16,291 The Bronx
_Ste_
Wiki Master
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Wiki Master
Joined: Aug 2005
Posts: 16,291
The Bronx
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yo if its a sony head unit you need to join the red wire to the yellow and the yellow to the red, they are the opposite in a vauxhall, vauxhall is red to red and yellow to yellow. LET US KNOW WHAT MODEL YOU HAVE Oh and ignore dragons comment if you dont want to risk burning your van and tools to a messy pile of ash and rubber. one wire is memory and one wire is main (ignition on) power which is switched. connecting both to the same mains supply defeats the object or the manufacturers would of done that in the first place bro 
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Re: stereo head unit
[Re: alann]
#901279
18th Sep 2014 2:30pm
18th Sep 2014 2:30pm
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Joined: Dec 2010
Posts: 2,220 Oxton
Gibbo
Forum Addict
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Forum Addict
Joined: Dec 2010
Posts: 2,220
Oxton
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Do you still have the stock radio to try? And if it is a Sony, to reinforce what Ste posted, its worth looking at the diagrams in the boxes marked A, B & C on page 2 of this PDF: http://pdf.crse.com/manuals/4125799211.pdf
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Toyah . .
by GaryFromWirral. 10th Jan 2021 1:39pm
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AQUARIUM
by lincle. 8th Jan 2021 10:47am
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Toyah . .
by GaryFromWirral. 10th Jan 2021 1:39pm
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Sunrise Tue 8:14am
Sunset Tue 4:31pm
Local Time Tue 9:31pm
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