demon Posted June 12, 2016 Share Posted June 12, 2016 I've traced my intermittent electrical problem on my RE350 WD/CO down to a dodgy old style inline fuse. I've replaced it with a modern spade/blade style fuse. I had a 10 amp but that popped after a few miles. I know the amps are higher on a 6 volt circuit so my question is: what size fuse to use? Quote Link to comment Share on other sites More sharing options...
Tony B Posted June 12, 2016 Share Posted June 12, 2016 (edited) Wattage of circuit dived by voltage gives ampage. Use a fuse about 3 or 4 amps higher than than that figure. Edited June 12, 2016 by Tony B Quote Link to comment Share on other sites More sharing options...
demon Posted June 12, 2016 Author Share Posted June 12, 2016 Wattage of circuit dived by voltage gives ampage. Use a fuse about 3 or 4 amps higher than than that figure. Many thanks, so how do I test the circuit to find out the wattage? Quote Link to comment Share on other sites More sharing options...
Ron Posted June 12, 2016 Share Posted June 12, 2016 (edited) I guess you add up the wattage of your bulbs. For instance a 21W headlamp bulb plus say 6W tail lamp and don't forget your brake lamp bulb say 18W = 45 divided by 6 = 7.5. But you would have to check your bulb wattage and of coarse you might use your horn at night whilst braking. I reckon you might have something wrong if you're blowing a 10 amp fuse, Ron Edited June 12, 2016 by Ron Quote Link to comment Share on other sites More sharing options...
79x100 Posted June 12, 2016 Share Posted June 12, 2016 I run with a 16a in-line fuse which I believe was based upon the recommendations with the Dynotec regulator. Quote Link to comment Share on other sites More sharing options...
demon Posted June 13, 2016 Author Share Posted June 13, 2016 Many thanks Quote Link to comment Share on other sites More sharing options...
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