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Ground resistance
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<blockquote data-quote="AlterEgo99" data-source="post: 6274677" data-attributes="member: 610253"><p>I posed this question to Perry Babin, founder and creator of <a href="http://www.bcae1.com/" target="_blank">http://www.bcae1.com/</a> and here is what he said:</p><p></p><p>"A multimeter (DMM) isn't a good way to determine if the ground is good or bad. It can tell you if the piece of metal/bolt is connected to ground but the difference between a good and bad ground may be only a few hunderd ohms and that's beyond the resolution of most meters.</p><p></p><p>Connect to the floor pan of the vehicle to a point that's clean, bare metal. Fasten with a 5/16-3/8" bolt for high current applications."</p><p></p><p>He also indicated that there really isn't an instrument that can measure a "good" ground.</p></blockquote><p></p>
[QUOTE="AlterEgo99, post: 6274677, member: 610253"] I posed this question to Perry Babin, founder and creator of [URL="http://www.bcae1.com/"]http://www.bcae1.com/[/URL] and here is what he said: "A multimeter (DMM) isn't a good way to determine if the ground is good or bad. It can tell you if the piece of metal/bolt is connected to ground but the difference between a good and bad ground may be only a few hunderd ohms and that's beyond the resolution of most meters. Connect to the floor pan of the vehicle to a point that's clean, bare metal. Fasten with a 5/16-3/8" bolt for high current applications." He also indicated that there really isn't an instrument that can measure a "good" ground. [/QUOTE]
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