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[Healeys] Re - Fuse block terminal A3

Subject: [Healeys] Re - Fuse block terminal A3
From: lapierrem at sbcglobal.net (Mark LaPierre)
Date: Mon, 11 Apr 2011 09:27:09 -0400
References: <921925.87137.qm@web24005.mail.ird.yahoo.com>
The wires were  ran through the loom differently on the new harnesses.  I 
noticed this
difference too with my new British Wiring harness, but after carefully 
redrawing my own
schematic out and doing continuity checks everything checked out OK.

So rather than tapping into a white wire out in the field somewhere the 
power source is
taken off the fuse box on the new harnesses.   This makes it easier to put 
in an inline
fuse for each individual device at the fuse box rather than further down the 
line.

Fuses also make it easy to take a device out of a circuit when you don't 
want it to operate
at a certain time .  For instance when you want to turn the car over to get 
the oil pressure
up and maybe you prefer not to have the fuel pump shooting petrol into the 
carbs at the same time.   Just a twist of the fuse holder and removing the 
fuse is a bit easier than trying
to remove one wire from the wire stack at the fuse holder screw joints. 
Just mark the
in line fuse holders so your not constantly guessing which one goes where.

Mark

----- Original Message ----- 
From: "mike brooks" <hypercubic at yahoo.co.uk>
To: <jmsdarch at sbcglobal.net>; "Healeys" <healeys at autox.team.net>
Sent: Sunday, April 10, 2011 6:38 PM
Subject: [Healeys] Re - Fuse block terminal A3


> John,
>
> May not be relevant, but the earlier 100 BN2 diagram has the three
> wires you
> mention plus the fourth is the supply to the fuel pump. Don't know
> if this
> helps.....
>
> Mike  Brooks
> '56 BN2
> Scotland
>
> Date: Sat, 09 Apr 2011
> 21:13:10 -0700
> From: john spaur <jmsdarch at sbcglobal.net>
> Subject: [Healeys]
> Fuse block terminal A3
> To: healeys at autox.team.net
> Message-ID:
> <6.2.3.4.2.20110409210804.02064938 at pop.att.yahoo.com>
> Content-Type:
> text/plain; charset="us-ascii"; format=flowed
>
> 1962 MKII BT7
>
> My wiring
> diagram shows three white wires attached to fuse block
> terminal A3. My wiring
> harness has four white wires.
>
> One goes to the overdrive relay, one goes to
> the S.W. connector on
> the ignition coil and one goes to the overdrive switch.
> The forth wire is in the wiring harness and follows the same route as
> the
> wire that goes to the overdrive switch.
>
> My original harness only had three
> white wires.
>
> What is the purpose of the forth wire?
>
> Thank you,
> John Spaur
>
> Reply to: mike.brooks at alumni.warwick.ac.uk
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