> I'm having a hard time finding 8 amp fuse from local auto or hardware
> store...they stock the 7/12 amp size.  Can I use 7 1/2 in place of 8?
>
>
That ought to be just fine. The worst that can happen is you blow the fuse.
It shouldn't be running within a half amp of fused csapacity anyway, so a
blown fuse would actually be an early warning of trouble.  7.5A should be
fine. 5A would be pushing it, but again, the worst that'd happen is the fuse
blows and you replace it. It's always OK to use a lower rating fuse, and
pretty much never OK to use higher*.

*unless you're 16 years old and can't figure out why your 280Z keeps burning
its fusible links, then it's ok to replace them with a bent paperclip and
eventually melt part of your alternator. Ask me how I know...

--
John Bange
'90 Vanagon - "Geldsauger"