The general answer would be: anything that causes more current to go
through that circuit than fuse was rated for. A frayed wire, a faulty
load (radio, clock, whatever that fuse branch powers).

<Having dispensed this simplistic answer, he strolls back inside,
whistling.>

--
Mike "Rocket J Squirrel" Elliott
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Utility Trailer. Ladybug Trailer, Inc., San Juan Capistrano
Bend, OR
KG6RCR

On 3/7/2009 2:49 PM Michael Sullivan wrote:
> Hello, All.  What would make the fuse blow?  It blew a few months ago and
> replaced and all well, but blew again today. Thanks.
>
> --
> Michael in San Antonio
> 91GL AT 'Gringo'
>
>