Josef,
I think the point is when you have more than one fuse, a problem is isolated to
the smaller circuit with its own fuse rather than taking out a large portion of
the electrical system in the car. Losing just one smaller circuit rather than
disabling a major portion of the car can make the difference between getting
back home or being completely disabled alongside the road. I always vote for
having more fuse circuits when I am re-wiring any car. I've done many over the
years and have never regretted doing so. Keeping a few extra fuses in the
storage area is not a big deal. Also, having a fuse sized to the smaller
circuit's task means that a fault of a part will be detected by a more
appropriately sized fuse rather than a large fuse that might not blow when a
smaller part fails internally and causes it to smoke or catch fire before the
large fuse finally fails. This is when the wring begins to take the abuse and
overheat due to the large fuse not failing in time. My 61 BT7 has the original
fuse setup and a new wiring harness installed by the previous owner, but if it
ever fails, I will certainly take advantage of a new fuse distribution box like
the one being discussed and I will have the peace of mind knowing that a single
failure will not take out the entire car. I believe any automotive engineer
will agree with me, but you are entitled to your opinion based on keeping a
Healey original.
Gil
61 BT7
-----Original Message-----
From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of
josef-eckert@t-online.de
Sent: Thursday, December 17, 2015 1:32 AM
To: Oudesluys; Healeys, Forum
Subject: [Healeys] New Classic Technologies Fuse Box
Kees,
Sorry, but you wrote switches are old and have worn a fair bit.
That may be right, but when you have a look to the internals of an original
Austin-Healey ignition switch or light switch, the contact design and switching
abilities are far superior to anycar box relay you get in today´s market. So
they are more than capable to cope with the high currents. Its different with
i.e. MG B switches used in the 70s.
You also wrote:
Also having only two large fuses causes a lot of damage when something goes
wrong and there is a short.
I see you are not much in electrics. It doesn´t matter if you have 2 or 30
fuses in your car. When there is a short and the line is fused, via one of the
2 or 30 fuses, the fuse blows and no damage is caused. So when you fuse each
line seperately there is no improvement. Critical are those connections which
are not fused at all. There I see an improvement with additional fuses. But
there are only two or three additional fuses needed, when you want to savegard
this.
The original electrical system of my original Healeys are more reliable as any
of my modern cars. To my opinion many fuses do not help, the cause even more
trouble.
Josef Eckert
Germany
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