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Wired JB4 app connection for you phone, tablet, or laptop. This plugs into the JB4 and the USB end plugs into your device containing the JB4 app.

This DATA cable with the gray JB4 connection cover only works with the rectangle plastic and meta JB4 enclosure shown below. For other vehicles that use the square shape plastic or metal case see our other listings. This can be converted to fit all other JB4 cases by unscrewing and discarding the gray plastic cover.

Data cable software and instructions