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Need to do the wiring for a trailer harness

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Old 01-04-2008, 11:31 AM
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Default Need to do the wiring for a trailer harness

What do I need, how do I wire in the trailer harness? Do I need one of those isolation boxes or what?

I've searched and haven't been able to find anything...
Old 01-04-2008, 01:06 PM
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Default im sure very cloe to this

<ul><li><a href="http://oooo.a3.googlepages.com/Audi-A3-US-Trailer-Wiring.pdf">http://oooo.a3.googlepages.com/Audi-A3-US-Trailer-Wiring.pdf</a</li></ul>
Old 01-05-2008, 11:31 AM
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Default U-Haul sells a box for $40 that draws power from the battery...

Most newer cars need the box. Easy to install.
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