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Re: [Healeys] Positive Ground Power Outlet for Accessories

To: "Ronald J. Ray" <ronald-ray@sbcglobal.net>, Healey List
Subject: Re: [Healeys] Positive Ground Power Outlet for Accessories
From: Earl Kagna <kags@shaw.ca>
Date: Wed, 14 May 2008 21:35:16 -0700
Ron:

It can be risky.  Any item with electronics in it - cell 'phone, CB, etc. 
must not have any metal part that is internally grounded come in contact 
with any metal on the car chassis - under dash screws, heater cables,etc. 
If this happens, the item plugged in to the power socket will quickly fry 
it's electronics.

Many of us have simply converted our Healeys to NEG ground - it's not really 
all that difficult - a bit more to do on a BJ8 because the internal tach 
power leads have to be interchanged as part of the conversion process.  If 
you are not opposed to doing this, I would suggest it as a good choice to 
solve your problem.  You would still have to install the power socket, but 
you wouldn't have to worry about electrically isolating anything, and you 
wouldn't need a converter - so basically no cost.

There are probably many write ups on how to do this on various different 
Healey websites.  I would be willing to walk you through it via e-mail.  One 
thing to note:  If you have an POS ground electronic ignition already 
installed, you would have to change it for a NEG ground unit - most of them 
are wired either / or.

Someone such as Norman Nock would be best to advise you on the wisdom of 
fusing the ignition circuit - I'm not all that certain that it's a good 
thing to do.  It is potentially another thing that could give trouble and 
possibly stop the engine at a critical moment.

Anyone else able to comment on this?

Earl Kagna
Victoria, B.C.
BT7 tri-carb
BJ8

---- Original Message ----- 
From: "Ronald J. Ray" <ronald-ray@sbcglobal.net>
To: "Healeys@Autox. Team. Net" <healeys@autox.team.net>
Sent: Wednesday, May 14, 2008 7:53 PM
Subject: [Healeys] Positive Ground Power Outlet for Accessories


Hi Folks,

To install a power outlet, such as for charging a cell phone, in a car with
a positive ground electrical system, is it simply a matter of running a wire
from the positive post on the power outlet to a adequate ground, running a
wire from the negative post on the power outlet to a "hot" wire such as one
of the terminals with a white wire on the ignition switch, and then
isolating the metal portions of the power outlet body from touching any
metal parts on the car?

I also plan on installing an in-line fuse in the wire to the ignition
switch.

Thanks for your help.
  Ron Ray
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