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Old 07-04-2020, 12:47 PM   #1
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12v short....suggestions?

Good day, I have a bigfoot truck camper blowing a light circuit fuse. I dissasembled/disconnected all possible fixtures and all appear good. what do you suggest should be my next step? The circuit has two bedroom reading lights, two interior and three exterior.



Thanks, Alex
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Old 07-04-2020, 02:00 PM   #2
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Pull the fuse. Use the multimeter to check for short at each fixture. You may have a shorted wire.
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Old 07-04-2020, 03:28 PM   #3
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Did you try it with each fixture lamp removed?

Usually a short but could be a pinched wire causing it and very hard to find
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Old 07-04-2020, 07:28 PM   #4
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Is it shorted continuously or does the problem occur intermittently? If it's continuous there are techniques to narrow down the point of the short.


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Old 07-05-2020, 10:14 AM   #5
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It's continuos, I think I'll have to try a "tone" tool.
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Old 07-05-2020, 10:23 AM   #6
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So the fuse blows even with the fixtures disconnected ?
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Old 07-05-2020, 11:33 AM   #7
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Correct. I even disconnected switches.
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