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Where is the diagnostic port on a 1989 Honda Prelude?

Updated: 8/16/2019
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16y ago

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The diagnostic port for most vehicles is located under the steering column where it enters under the dashboard. You'll have to open the driver's door and get down on your knees on the ground to see under the dashboard/steering column. The socket is located about an inch or two below the steering column and about 1" or 2" in from the edge of the dashboard. It's best seen with a flashlight when looking for it for the first time. It's not hanging by wires but secured with screws and facing with the open side of the socket toward the driver. This socket is about 2.5" long and about 0.75" wide with pins inside the socket, often black in color. The plug from the diagnostic tool is carefully inserted into the socket so as to not bend the pins but still be inserted fully into the socket.

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Q: Where is the diagnostic port on a 1989 Honda Prelude?
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