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Old 02-14-2023, 06:20 AM   #7
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
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Yes, the primary ones are the large diameter cables. Maximum allowable voltage drop would be about half a volt. Because cable lengths vary from vehicle to vehicle, and their original starting internal resistance is unknown, voltage drop is quicker and more accurate. If you have access to a Power Probe electrical diagnostic tool, it has a built in voltage drop capability.
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