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Old 28-03-2009, 10:48 PM   #1
veggie
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Default t25 radio wiring????

Trying to wire a jvc cd player into my t25. The van has brown, a lightblue and a red wires. Which do what?
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Old 29-03-2009, 12:17 AM   #2
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is the blue/white one ignition live? and is this what i should wire the one one the head unit marked acsessory too???
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Old 29-03-2009, 12:34 AM   #3
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Have you got an electrical tester? Ignition off, test the wires. The one that lights up is your permanent live. Then turn the ignition on, and see which one lights up in addition to the first one. That's your ignition live. Then put the clip from your tester onto the first live wire, and test the remaining wires (NOT the other live one though!). The one that lights up now is your earth. The rest will probably be speakers.
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Old 29-03-2009, 12:37 AM   #4
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Brw is earth.
Red is live (+) all the time. It should be fused.
Blk is switched with Ignition. Should be fused.
Blk/Yell is also switched for accessories. You can pick that up from Fuse #10.

http://www.vintagebus.com/wiring/index.html
look for the Vanagon diagrams

HTH

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Old 29-03-2009, 12:38 AM   #5
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Good advice from Mixster; double check with a tester.
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Old 29-03-2009, 07:04 AM   #6
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Personally, I would buy some different coloured reels of wire, some crimps, a crimp tool, run those wires from the radio to the unfused side of the fuse box (ground wire to the chassis) and do the job properly.

It's very easy to get access to the type 2 T3's fuse box. Just undo 3 bolts and carefully flip it downwards.

From the radio end:-

Brown to chassis
Red to unfused side of fuse 7 (radio) or any B+ (battery live) terminal from the fuse box
Yellow to unfused side of fuse 10 or any switched live terminal from the fuse box
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Old 30-03-2009, 01:47 PM   #7
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Bear in mind that if you connect the switched live to a switched live source, you will only be able to use the radio when the engine is running or your ignition is live (which will burn out your coil). T25's (and most earlier VW's) don't have a 3 position ignition switch. I'm just going to wire the switched and permanent lives from the stereo to a permanent (fused) live from the fuse box (well leisure battery in my case).
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