The Edge insight is great for clearing codes. If you did not know, you can find out what codes you have by turning your key on and off 3 times leaving it on the 3rd time. Turn the key fast, I found doing it slow did not work. Any codes will be will be displayed where your miles are displayed.

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2008 Dodge 2500HD 6.7L 4X4 Laramie
Edge insight, Amp tailgate step, 4" Boss Bars, rear air bags with compressor, spray in bed liner