I downloaded mine so many years ago that I don't recall where I got them from. . This is a lifestyle that transcends age, gender and race as the only thing you need to be a part of it is a love for the outdoors, a desire to explore, a yearning to take on a challenge and a will to conquer it. But the 2005 will be correct for your 2006 is in the key areas, especially mechanical. Over the years, Cindy and I have attempted to capture the essence of this lifestyle through photographs and videos and share it with others around the world. Just do a Google search for Wrangler Factory Service Manual downloads, you'll eventually find a site that has a 2006.
That's how I found that site I listed above several years ago. If you're talking about the owner's manual and want a copy to keep in the Jeep, dealership can order them and I've had luck finding used ones on ebay. . . . .
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