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Car Audio Discussion
General Car Audio
Grounding issue
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<blockquote data-quote="Thorin" data-source="post: 8792521" data-attributes="member: 685946"><p>I have a nice bare metal body ground in trunk reading 0.2 Ohms compared to the battery terminal. When I turn on the ignition, the resistance in the trunk jumps to 40 Ohms when compared to the battery. </p><p></p><p>I also checked from battery to the front seat bolt (not seat belt), and same thing. Key off 0.2 ohms, key on 40 ohms. </p><p></p><p>When I check between the battery and engine block, the resistance does not change with the ignition on.</p><p></p><p>This is driving me really crazy. I hope someone can help.</p></blockquote><p></p>
[QUOTE="Thorin, post: 8792521, member: 685946"] I have a nice bare metal body ground in trunk reading 0.2 Ohms compared to the battery terminal. When I turn on the ignition, the resistance in the trunk jumps to 40 Ohms when compared to the battery. I also checked from battery to the front seat bolt (not seat belt), and same thing. Key off 0.2 ohms, key on 40 ohms. When I check between the battery and engine block, the resistance does not change with the ignition on. This is driving me really crazy. I hope someone can help. [/QUOTE]
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Grounding issue
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