Bad ALDL?

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jonmetz
Posts: 2
Joined: Thu Jun 09, 2022 12:39 am

Bad ALDL?

Post by jonmetz »

1994 Corvette, LT1, OBDI with 16 pin OBDII ALDL.
I have tried a few different commercial scanning tools and TunerPro with an ALDL-USB cable and can't get any information or data. I suspect that there is an issue with the ALDL. How can I test the ALDL to make sure it is functioning correctly? I am able to pull DTCs using the "paperclip" method.
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