@CitroJim - After all these years, guess what I found?

[MikeT]

you have the section of the OBD 16 pin D on the right of your picy Mike, you just need its mate that connects it the machine, i will check see if i have a spare

Trouble is that's not my pic, Malc, (Diag2000 is blue as you know). It's the just e pic that lead me to find three cables I never knew I had (not the same as those in the pic). Two have 16-pin OBD one end but what they fit the other end is a guess at this point.

[citronut]

mine has a long lead that plugs into the analyser which has the mate on the other end that any of the three in the picy plug into,

[MikeT]

These are the four new additions I found. Two have 16-pin OBD connector. Of those two, one is just an extension (you can plug it into itself) and the other has small round connector (like the one that plugs the harness tester into the bottom of the Diag2000) only smaller and presumably less pins.

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