sand-eel
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Location: carluke/braidwood--IRNBRULAND
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It should already have a live as the cig lighter has its own seperate circuit.
There should be 2 RED wires going into the headunit, one comes direct from the ignition barrel and another RED one comes from the ignition barrel and splits into 2 BLACK wires, one goes to the positive on the battery the other to the fuse box, after the fuse box it turns back into a RED wire again and goes to the head unit.
Also there is a GREY/GREEN wire that comes out of the headunit and goes to the fuse box, which the fuse is shared with the headlight switch and headlight level switch so check the fuses for them too.
(oh yeah the on and off thing is just a normal computer solution  )
[Edited on 04-03-2009 by sand-eel]
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Haimsey
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Awesome.
Clear as mud now.
Marcy Marc 
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sand-eel
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have you got 2 RED wires going into the headunit?
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sampayne21
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Registered: 3rd Sep 08
Location: Sidcup Kent Drives: BMW E46
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something like an in line fuse holder, cut the wire, its up to you how you wanna make the connection; bullet connecters etc then just use a glass fuse.
just put this between the wire you cut and connect them together
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sampayne21
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Registered: 3rd Sep 08
Location: Sidcup Kent Drives: BMW E46
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quote:
Originally posted by sand-eel
have you got 2 RED wires going into the headunit?
it could be a case of problem with the ignition wire (as the fuse is fine), the choice is either trace it back to the problem, which could take a very long time, or just bypass the ignition live
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Haimsey
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Location: Nottingham Drives: Corsa B
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quote:
Originally posted by sand-eel
have you got 2 RED wires going into the headunit?
I dont know, its the gf's car and she is at home.
Marcy Marc
White Sport Progress Thread
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Haimsey
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Actually, there is one RED wire going to the black square block thats connected to the car because i unplugged it and swapped it with the yellow one  
Marcy Marc
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sand-eel
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the yellow one is a speaker wire
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tom_simes
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Location: Undy, Newport Drives: Skoda Octavia vRS estate
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Marc, go and buy a circuit tester from Halfords or something before you get started, one like this:
Halfords circuit tester
Then clip the crocodile clip on the tester onto something like the door catch on the b-pillar, and test the pins that attach to the red and yellow wires.
The red should be a permanent 12V source, while the yellow should only become powered up when the key is turned in the ignition.
If both of these work, then there is problem elsewhere in the wiring, and not in the power supply, so you don't need to fiddle with wires from the fusrbox at all if both of those feed correctly.
ring me on the weekend if you need assistance 
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sand-eel
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...for the front RH tweeter and speaker actually because they work in unison.
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Haimsey
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quote:
Originally posted by sand-eel
the yellow one is a speaker wire
Oh, i thought that solved memory problems 
Okay Tom. Red and yellow wire where? In the block?
Marcy Marc
White Sport Progress Thread
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tom_simes
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quote:
Originally posted by sand-eel
the yellow one is a speaker wire
Yellow is ignition live.
Look at the block on the back of the headunit again, and you'll see the green, grey, purple and white cables - they are all the speaker cables.
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Haimsey
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Im confuuuuuuused
I hate ICE 
Women. The cause of all problems.
Marcy Marc
White Sport Progress Thread
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tom_simes
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Yes Marc, test them in the JVC block, the block that goes directly into the headunit, as it ensures there are no connection issues between blocks too if they both power up correctly.
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sand-eel
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strange that, just looked at the haynes there and it says the yellow is a speaker wire 
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Haimsey
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Well its WRONG.
Imma be testing all sorts of shit and doubt ill get anywhere
Marcy Marc
White Sport Progress Thread
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sand-eel
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maybe I will go to my silver corsa tomorrow and tell you the way mine is wired
MAYBE
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Haimsey
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But this is a purple corsa
Marcy Marc
White Sport Progress Thread
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tom_simes
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quote:
Originally posted by sand-eel
strange that, just looked at the haynes there and it says the yellow is a speaker wire
That may be true on the Vauxhall block, but definitely not on the JVC block, and in all the Vauxhall's I used to fit into at work.
Are you sure its not just yellow in the door loom? I don't have my Haynes handy to check.
[Edited on 04-03-2009 by tom_simes]
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sand-eel
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mmm you could respray it silver and hopefully the wires will change colour, not sure if it will work though
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sand-eel
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quote:
Originally posted by tom_simes
That may be true on the Vauxhall block, but definitely not on the JVC block, and in all the Vauxhall's I used to fit into at work.
Are you sure its not just yellow in the door loom? I don't have my Haynes handy to check.
yeah the yellow wire defo goes into the head unit and to the speakers in the haynes, but I suppose a jvc convertor changes the wire colours for it own so
Hamester do you have the convertors wiring diagram it tells you the wire colours and what they do.
You do have a convertor don't you?
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Haimsey
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What does a convertor do?
Ive a CD player, as shown above, placed in a car, not working. And been asked to make it work. Thats all.
Marcy Marc
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sand-eel
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a convertor from halfords is vauxhall specific and all you do is plug it into the head unit and the origional wiring block, it will work as long as you havent messed about too much with the origional block.
[Edited on 04-03-2009 by sand-eel]
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sampayne21
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Location: Sidcup Kent Drives: BMW E46
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il draw you a diagram tommorow of what to do and send it to you, might make life easier
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Haimsey
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On teh block connected to the CAR i unplugged the RED wire and YELLOW - swapped it, and put them back because it didnt work.
The wires coming out the back of the unit i havent touched.
Marcy Marc
White Sport Progress Thread
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