Dear Dan,
"Never Ascribe to Malice that which can be explained by Ignorance."
John J. Peloquin
Entomology, University of California, Riverside, CA 92521
On Tue, 5 May 1998, DANMAS wrote:
> In a message dated 5/5/98 1:00:26 PM Eastern Daylight Time,
> peloquin@galaxy.ucr.edu writes:
>
> > In my '70 BGT, there is an unused lead at the fuse box that supplies white
> > wires. White wires are hot only when the ignition is on in my car. That is
> > where I got the power for my fan.
>
> Hi, John,
>
> As this is the second time someone has made a statement similar to this, I
> feel I must comment. Hopefully, both of you have made the wiring correctly,
> but mistated it in your postings (or maybe I just mis-read it). The fuse does
> not supply the white wire -- the white wire supplies the fuse. If you have
> connected the fan to the side of the fuse with the white wire, your fan is
> unfused!
Yes, thanks for emphasizing that that would be the case. I believe I
carelessly neglected in my message to say that the installation I have has
an in-line fuse on the fan lead from the fuse box. Without that fuse, it
would indeed be a dangerous situation!
> The green wires on the other side of the fuse is where you want to
> add loads if you want them fused.
>
> Remember the LBC wiring color codes:
>
> Brown: Hot all the time, unfused
> Purple: Hot all the time, fused
> White: Hot when the key is on, unfused
> Green: Hot when the key is on, fused
>
> The brown wires supply power from the battery/alternator to the purple wires
> via a fuse, and to the ignition switch without a fuse. The ignition switch
> supplies power to the white wires, unfused, and the white wires supply power
> to the green wires via a fuse.
>
> Also, Scott wrote:
>
> > It seems silly to run a wire all the way from the battery, but I don't want
> to
> > overload any other wiring either.
>
> Keep in mind that these cars came from the factory with the wiring stressed to
> the max to begin with. A fan can draw a lot of current.
>
> Dan Masters,
> Alcoa, TN
>
> '71 TR6---------3000mile/year driver, fully restored
> '71 TR6---------undergoing full restoration and Ford 5.0 V8 insertion - see:
> http://www.sky.net/~boballen/mg/Masters/
> '74 MGBGT---3000mile/year driver, original condition - slated for a V8 soon
> '68 MGBGT---organ donor for the '74
>
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