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2nd Battery
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<blockquote data-quote="2023 LTZ" data-source="post: 8849469" data-attributes="member: 686684"><p>Maybe it’s different from car to car but I chassis grounded. I can use my dmm to chech ohm resistance or battery charge state from the positive to any point I can reach w the leads. Say I’m checking ohm resistance. Battery negative to opposite side strut? 0.05</p><p>Same side brake rotor? 0.05</p><p>From the rear, negative battery terminal to rear rotor? 0.05</p><p>Battery positive to strut tower? = battery voltage. My vehicle isn’t glued together.</p><p>You’re welcome to do what you like but there’s definitely more resistance through that wire than the chassis, depending on if your vehicle is glued together or not.</p></blockquote><p></p>
[QUOTE="2023 LTZ, post: 8849469, member: 686684"] Maybe it’s different from car to car but I chassis grounded. I can use my dmm to chech ohm resistance or battery charge state from the positive to any point I can reach w the leads. Say I’m checking ohm resistance. Battery negative to opposite side strut? 0.05 Same side brake rotor? 0.05 From the rear, negative battery terminal to rear rotor? 0.05 Battery positive to strut tower? = battery voltage. My vehicle isn’t glued together. You’re welcome to do what you like but there’s definitely more resistance through that wire than the chassis, depending on if your vehicle is glued together or not. [/QUOTE]
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