i think it has to do with safety. i was taught to always take the negative
off first. the reason given was that if you remove the positive first, and
the wrench strikes the body, engine, etc, there will be a spark. if you
remove the negative first, this is not the case.
----- Original Message -----
From: "Daryl Smith" <drlsmith@dccnet.com>
To: <tom@datsun2000.com>; "Datsun-Roadsters@Autox. Team. Net"
<datsun-roadsters@autox.team.net>
Sent: Sunday, April 19, 2009 9:39 PM
Subject: Re: [Roadsters] OOPS
>I think you're lucky it blew out the side and not more straight up! Glad
>you were not injured.
> Interesting to note that when I was growing up around and working on cars
> I was always taught to remove the cable from the positive post of the
> battery.
> It seems now that it is always made a point to remove the NEGATIVE post
> first.
> I'm wondering if I was taught wrong years ago, or is this something that
> has crept in with all the computers and electronics in cars?
>
> Daryl
>
> ----- Original Message -----
> From: "Tom @ Datsun2000" <tom@datsun2000.com>
>
>
>> What might happen when you don't disconnect the negative lead of the
>> battery
>> when you are working on your car?
>>
>> Nothing....... usually
>>
>> http://www.datsun2000.com/battery.htm
>>
>> But when something does happen it is dramatic, and very hard on the ears.
>> I
>> accidentally touched the positive pole with a grounded ratchet handle and
>> the battery exploded. Fortunately I did not get much acid on me and it
>> was
>> easily washed off. I suspect it was only dumb luck that my glasses
>> caught a
>> few small dots and nothing got into my eyes.
>>
>> Will I disconnect the negative lead on the battery when I work on the car
>> again? Yeah, I probably will.
>>
>> Tom
>> 69 2000 - Mr. Hyde
>> Portland
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