9-Pin J1939/J1708 Adapters

9-Pin Adapter for heavy duty vehicles circa early 2000's to the present.

Note, you must have a compatible diagnostic port to use this Adapter. See the Getting Started document for more info on diagnostic ports.

If you do not have a 9-pin diagnostic port, you can use this Adapter along with a converter cable. See this link for more info on converter cables.

The Adapter comes with the latest firmware and hardware. You do not need to order the firmware update.

Important - This Adapter is not sold anywhere else other than here in our Store. If you find an Adapter on Amazon or eBay it may be from a rogue seller and is not supported.

Important Note, the Adapter is only for 12 volt diagnostic ports. Plugging it into a 24v source will damage the Adapter resulting in an expensive repair.