[Spridgets] Battery disconnect

[brian]

This is why you disconnect when wrenching on the distributor in a Sprite
with a pull starter.

On Wed, Jan 13, 2016 at 10:00 AM, Paul Herder via Spridgets <
spridgets at autox.team.net> wrote:

> Also you mention that with the battery disconnected WITH the engine
> running, the alternator (or generator) will supply the power to keep
> everything running!
>
>
>
> That is why racing organizations require that the disconnect switch
> actually will kill the engine (wired wrong, the battery will be
> disconnected but the engine will still run… a real safety hazard in a
> racing accident!)
>
>
>
> Paul
>
>
>
> *From:* Spridgets [mailto:spridgets-bounces at autox.team.net] *On Behalf Of
> *John Innis via Spridgets
> *Sent:* Wednesday, January 13, 2016 11:52 AM
> *To:* MICHAEL ROWE
> *Cc:* Spridgets
> *Subject:* Re: [Spridgets] Battery disconnect
>
>
>
> It really doesn't make a lot of difference which one is disconnected,
> either will prevent any danger of a short.  But there is a good reason to
> do the negative, or at least do it first.  The reason is that if your
> wrench accidentally hits a part of the body or frame while removing the
> negative terminal, it is not a problem because they are normally connected
> to the negative terminal anyway.  But, if your wrench slips while undoing
> the positive terminal and hits the body or frame, you are arc welding.
> Once the negative is disconnected, there is no path for current back to the
> battery, so the risk is eliminated.
>
>
>
> On Wed, Jan 13, 2016 at 11:44 AM, MICHAEL ROWE via Spridgets <
> spridgets at autox.team.net> wrote:
>
> Instructions for working on the gauges of my Toyota say remove the
> negative battery terminal.  This makes no sense to me.  It leaves all the
> hot wires live, so if your tool grounds one of them, it will spark.
> Removing the positive terminal eliminates this possibility.
>
>
>
> Some years ago, I put in a kill switch on the ground terminal, and the car
> would continue to run when the ground was open.  It only prevented
> starting.  In fact, this is one of the electrical tests mentioned by John
> Twist.
>
>
>
> All of my cars have a disconnect knob on the positive terminal.  Do I have
> this backward?
>
> Michael Rowe
>
>
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