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VK2AAB > TECHI 09.08.04 05:43l 34 Lines 1607 Bytes #999 (0) @ WW
BID : 22574_VK2AAB
Read: GUEST OE7FMI
Subj: Re: Charging Car batteries.
Path: DB0FHN<DB0RGB<OK0PPL<DB0RES<ON0AR<7M3TJZ<ZL2TZE<VK5UJ<VK5BRC<VK5ATB<
VK2AAB
Sent: 040808/2301Z @:VK2AAB.SYD.NSW.AUS.OC #:22574 [SYDNEY] FBB7 $:22574_VK2AAB
From: VK2AAB@VK2AAB.SYD.NSW.AUS.OC
To : TECHI@WW
Recently the battery in my car died and I called the NRMA for a new battery.
The NRMA (National Roads and Motorists Association) provides roadside service
and their specialised battery vans do nothing but change failed batteries.
I watched with interest what he did, he simply disconnected the battery and
put the new one and started the car. No complications and the car did
everything normal. I asked him if he ever had problems disconnecting
batteries and he said modern cars remember the settings. I don't think he
knew how, just that they do.
Think about it, if the car's design did not allow for the battery to be
disconnected there would be enormous number of cars in trouble each day.
How many new batteries are fitted each day in a city of 4 million ?
Re charging, I have connected a charger accross the battery while still
connected with no problems. However I would not do it if the battery appeared
to be open circuit, perhaps due to an internal fault.
Re, getting a start from another car when the battery first failed I was at a
WIA meeting and another amateur gave me a start. He left his car idling and I
connected the leads to mine, earth first than positive, started the car.
I don't hink his car idling would matter as the voltage would be similar to
what it would be while my car idles.
A cars electrical enviroment is rather rough due to usage and battery
failure and abuse. Surely the electronic design must be very rugged otherwise
the cars reputation would suffer.
73 Barry VK2AAB
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