Try the SCANGAUGEII.
http://www.scangauge.com/
I highly recommend calling them first to make sure it will work with the year of your truck.
Some 2004. 5 may not work. They are also working on a datalogging interface which will be offered as an upgrade.
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http://www.scangauge.com/
I highly recommend calling them first to make sure it will work with the year of your truck.
Some 2004. 5 may not work. They are also working on a datalogging interface which will be offered as an upgrade.

