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So I gotta scanner from harbor freight the professional series. And it wouldn't power on in my 96 f250 7.3. So I used my dmm and found a 2.4v voltage drop on the ground. So where is this ground located ? And Dos anyone have a dlc pin diagram ?
Alrighty I cleaned that ground and replaced a fuss and the scanner got power and worked. BUT the scanner wouldn't read live data and made my 7.3 run horrible, so I'm going to return it