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I have elect short I disconnected pos bat cable connected test light to the cable and battery post and & checked all fuses but the test light never went out. Now what?

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That's the wrong way to check fuses with a test light! What you SHOULD do is, have both battery terminals connected to a good battery, and connect your test light ground lead to a chassis ground (assuming you have a negative ground system), then CAREFULLY touch the test light probe to one side, then the other side of each fuse. Any that DON'T light the test light on BOTH sides are bad fuses!

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