[Healeys] BN2 Wiring Begins

John Harper ah100register at gmail.com
Mon Jul 20 12:29:22 MDT 2020


Not necessarily at the point of the short. The whole length of the
wire from the power source to the short will heat up with the most damage
happening when the wire is inside a loom where little heat will be able to
get away

On Mon, 20 Jul 2020 at 02:32, Michael Oritt via Healeys <
healeys at autox.team.net> wrote:

> David--
>
> I have never understood this approach though I know it is what you, your
> Dad and some others espouse.
>
> Here's my issue:  If a short-circuit/overload should occur with no
> sacrificial fuse isn't it likely that the wiring will be destroyed with
> insulation melted at the point of the short, requiring replacement of the
> wire?  If so, how is one worse off with a fuse protecting the circuit--in
> either case there will be no lights but with a fuse it is possible one
> might find the cause of the problem and cure it while on the road with no
> need to later pull new wires, etc.
>
> Best--Michael Oritt
>
> On Sun, Jul 19, 2020 at 2:40 PM David Nock via Healeys <
> healeys at autox.team.net> wrote:
>
>> DO NOT FUSE THE BLUE HEADLIGHT WIRE.
>>
>> Why because if you are driving at night and suddenly loose your lights
>> due to a faulty fuse for what ever reason. You will not be able to see and
>> then you never know what may happen.
>>
>> David Nock
>>
>>
>> On Jul 19, 2020, at 10:34 AM, Henry G Leach via Healeys <
>> healeys at autox.team.net> wrote:
>>
>> There is no fuse protection to the rear of the car and also the
>> headlights.  Suggest you add a 20A inline fuse to the red wire coming to
>> the rear just at the left side junction of the tail lamp harness to protect
>> both tail and licence lights in the event of a rear end collision.  A short
>> will burn the harness down all the way to the firewall.  Also fuse the blue
>> wire at the headlight switch for the same reason. The fuse box only covers
>> the horns, battery (50A) and key on items (35A). If you use US made fuses
>> cut them by 1/2 - 25 and 17 amp Buss fuses
>>
>> Note also that the BN2 has only one overdrive relay (no govener). Hank,
>> healeyhelper.com
>>
>> -----------------------------------------
>> From: "Michael Salter via Healeys"
>> To: "Team.net"
>> Cc: "Ahealey help", "Michael Lempert"
>> Sent: Saturday July 18 2020 2:17:15PM
>> Subject: Re: [Healeys] BN2 Wiring Begins
>>
>> Put a fuse in the power circuit from the battery before you turn anything
>> on.  Better to blow a fuse than burn up the wiring.
>> *Absolutely*
>>
>> On Sat., Jul. 18, 2020, 4:30 p.m. Team.net via Healeys, <
>> healeys at autox.team.net> wrote:
>>
>>> Put a fuse in the power circuit from the battery before you turn
>>> anything on.  Better to blow a fuse than burn up the wiring.
>>>
>>> On Jul 18, 2020, at 2:45 PM, Michael Lempert via Healeys <
>>> healeys at autox.team.net> wrote:
>>>
>>>
>>> > As some of you may remember, I am trying to get as much done in the
>>> engine
>>> > bay of my BN2 as possible before I try dropping the engine in the car.
>>> > Last night i finished mounting the insulating panels on the outside of
>>> the
>>> > driver's footwell.  This weekend I would like to start to install the
>>> part
>>> > of the wiring harness that passes through the firewall and whatever sub
>>> > harnesses go in the engine bay.  In the past I installed a new harness
>>> in
>>> > my Bugeye during that restoration without much trouble.  That is a much
>>> > simpler harness though.  The harness for the BN2 has a lot more going
>>> on
>>> > under the bonnet.  I can see the general physical routing of the main
>>> > harness in some of the many pictures I have gathered over the years.
>>> It is
>>> > a little intimidating when there are points in the harness when
>>> multiple
>>> > wires of the same color exit the loom at a single point.  One spot has
>>> four
>>> > white wires, two smaller gauge than the other two, and one brown wire.
>>> > Another has four green wires and one brown wire coming out of the loom
>>> a
>>> > couple inches from the bunch of white wires.  I can see what component
>>> > these wires go to by the routing of the loom, but how to know which
>>> wire of
>>> > the same color goes to which connection on that component.  Any
>>> suggestions
>>> > before I pull out what hair I have left?
>>> > Mike MacLean
>>> >
>>>
>>> Michael:  If you’re working from a BN1 wiring diagram, be aware that
>>> there was but one difference with the BN2. The flasher indicator in the
>>> dash instrument panel is wired differently. Best to check that you have the
>>> correct indicator first.
>>>
>>> Regards,
>>> Mike Lempert
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-- 
Best wishes

John Harper

AHC UK 100 Register Secretary
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