Advance Adapters Rubicrawler Computer Module 42R800 Crawl Boxes
Rubicrawler Computer Module Fits 2007 to 2010 JK Wrangler, Rubicon and Unlimited;2 and 4-door models;Fits 2003 to 2006 TJ Wrangler, Rubicon and Unlimited;Allows differentials and sway bar control to function;Tells vehicle Computer you are in low range;Sway bar control only for the 2007 to 2010 JK Advance Adapters Rubicrawler Computer Module 42R800 Crawl Boxes