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Old 06-01-2011, 04:22 PM   #12 (permalink)
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Join Date: Mar 2010
Location: TN-USA
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Green Metro - '99 Chevrolet Metro LSi Sedan
90 day: 32.78 mpg (US)

Metro Vert - '91 Geo Metro LSi Convertible
90 day: 50.52 mpg (US)
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5A is WAY too much fuse for the MPGuino, 5 amps(that's 5ampsX12volts=60 watts!) is more than enough to fry it. You want a fuse in the .1-.5A range if you want to protect the unit from surges. I'm not sure exactly what the draw of the unit is, you can check it with a multimeter set to amps, and put in line with the positive.
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