Relays and Euro lights

[Bernie Benz]

No chance of a voltage spike with the system clamped by a dead battery with
an internal resistance of 0.1 ohm and no inductance in the circuit.  You're
right about the LR relay.

Bernie

> From: "Mike Sylvester" <mike.sylvester at att.net>
> Date: Fri, 31 May 2002 16:48:41 -0400
> To: "Bernie Benz" <b.m.benz at prodigy.net>, "Brian Link" <brianl at starsys.com>
> Cc: "200q20V mailing list" <200q20v at audifans.com>
> Subject: Re: Relays and Euro lights
>
> I have to agree here as well.  Electricity isn't like water in a pipe.  It
> isn't just going to flow out everywhere.
> The 200 amps doesn't mean anything since it isn't flowing through the
> relays.  Now if the headlights were on and  the voltage were to spike up
> high you could blow out the bulbs.  Except that I think the load reduction
> relay shuts off the headlights during starting.
>
> Mike Sylvester
>
>
>
>
> ----- Original Message -----
> From: "Bernie Benz" <b.m.benz at prodigy.net>
> To: "Brian Link" <brianl at starsys.com>
> Cc: "200q20V mailing list" <200q20v at audifans.com>
> Sent: Friday, May 31, 2002 4:11 PM
> Subject: Re: Relays and Euro lights
>
>
>> Brian, I'm not sure whether the credit for the ***IMPORTANT TO NOTE***
>> warning belongs to you or to Scott from the signatures below, and I've
>> purposefully avoided this thread until now, but this is just pure BS!
>>
>> Do you normally jump start your car with the headlites on?  200 amps will
>> flow through a discharged battery with an applied voltage at the jump
>> terminal of less than, or very little more than the normal system
> opperating
>> voltage, and rapid chargers are voltage regulated, restricting the peak
>> applied voltage to about 15 volts.  They are designed to be idiot proof!
>> Further, the arc over voltage of an open relay is well in excess of 600
>> volts.
>>
>> Bernie
>>
>>> From: Brian Link <brianl at starsys.com>
>>> Organization: Starsys Research
>>> Date: Fri, 31 May 2002 13:17:48 -0600
>>> To: "'200q20v at audifans.com'" <200q20v at audifans.com>
>>> Subject: Relays and Euro lights
>>>
>>> Or use a fuse between the battery post and your relay......
>>>
>>>
>>> ***IMPORTANT TO NOTE***  IF you do use the jumper post for your relay
> feed
>>> voltage DO NOT USE THE JUMPER POST FOR JUMP STARTING THE/A CAR.  Since
> jump
>>> starts (especially the AAA type) are 200+amps, do know that can easily
> short
>>> (arc weld) the relays in the on position, and/or blow all bulbs
> immediately.
>>> BTST
>>>
>>> HTH and my .02
>>>
>>> Scott Justusson
>>> aka eur o nerd
>>>
>>>
>>>
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