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Why you need to remove the battery negative cable before the positive cable?
Wiki User
∙ 12y ago
You don't. You remove the positive cable first. Here's why.
If you remove the negative cable, then it's dangling or it's in a place where the tension on the cable can move it and touch a metal part of the either the body, frame or other component, thus inadvertently completing the circuit. With the power still connected while you're performing maintenance, you can get shocked, or fry a component. Same with removing jumper cables, remove the positive first, then the negative. If the positive cable hits the body or the frame, nothing happens, it's two negative sides meeting together, NOT completing the circuit.
Wiki User
∙ 12y ago
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