This fuse supplies power to a 12 volt air compressor that draws 15 amps during peak cranking. After a week of intermittent use (last week's compressor run time was just to demonstrate to others how it works) I lost power to the air compressor. Troubleshooting led me to what appeared to be a blown fuse. As you can see from the photo, there are no obvious signs of a blown fuse, but with the help of a voltmeter the conductivity is zero. Luckily the backup kit comes with a spare fuse that will get the system up and running again, but I have no idea where to get a spare as they are a bit uncommon.
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