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Discussion Starter · #1 ·
I really don't get fuses and ratings and all that stuff. Was checking a few things today when the the curiosity in me :rolleyes: got thinking . As a test I just tried to see what amount of current circuits actually drew compared to the rating of fuse that's there. For instance I took out the fuse for the reversing lights and put a meter on there and put on the ignition and the meter read about 3 amps, when the fuse in there is 15amp. Done the same with the left headlight and meter read 3.5 amps and again 15 amp fuse. Why is there such a gap between the two figures??
 

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Discussion Starter · #4 ·
Oh I see, but why not have a fuse thats slightly above the normal draw and then if a surge or short circuit occured then fairly instance blow. And why do fuses blow at such a high level above the rating of the fuse? Sorry I sound like a little child :rolleyes: thanks, James.
 
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