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Author Topic: Fuses: if I don't have correct amps fuse, best to replace with higher or lower?  (Read 779 times)

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Offline deafcaferacer

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Fuses: if I don't have correct amps fuse, best to replace with higher or lower?
« on: May 05, 2013, 02:59:29 PM »
Blew the main fuse on my cb750k '78 and since today is a sunday most auto stores were closed except for an auto zone so I went there and they did not have 15 amps fuses.. they had only 20 or 9 amps fuse so I elected to temporarily use 9 amps fuse for the main fuse to get home, over the 20.

I referred to the chart attached where the fusebox is listed as 7-15-5, but the fusebox on my bike is listed as 5-7-15, in that order.

My question is, was it smart to temporarily use a 9 amps fuse just to get the bike home, rather than a 20 amps where a 15 amps was needed? What should I do for next time if I don't have spare fuse handy, or have the wrong amps fuse?
« Last Edit: May 05, 2013, 03:01:43 PM by deafcaferacer »
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'73 CB750k engine, hubs, and a '76 tank, on 'a 78 frame. Go figure.

Offline afkrejci90

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Re: Fuses: if I don't have correct amps fuse, best to replace with higher or lower?
« Reply #1 on: May 05, 2013, 03:07:26 PM »
Well if you got it home with the 9 amp fuse, then no harm done.  Using a higher amperage fuse could lead to problems especially if you have a short, but then could again pop the fuse anyways.

Get a spare fuse holder and mount it somewhere on your bike, that way you always have one handy.
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'78 CB750K http://forums.sohc4.net/index.php?topic=105327.0
'80 CB750C - Sold
'06 CBR600RR

bollingball

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Re: Fuses: if I don't have correct amps fuse, best to replace with higher or lower?
« Reply #2 on: May 05, 2013, 05:54:27 PM »
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