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Re: battery drain?

To: shop-talk@autox.team.net
Subject: Re: battery drain?
From: "John T. Blair" <jblair@exis.net>
Date: Thu, 10 Jul 2003 18:09:25 -0400
At 08:32 AM 7/10/03 -0400, ejrussell@mebtel.net wrote:
>
>I am wondering what the expected electrical load might be on a vehicle
with the 
>key off?

Eric,

Typically it is under 100ma.  


>We recently had a dead battery on our 1996 Chrysler. I quickly figured out
that 
>the truck had not been latched closed, thus the trunk light was 'on' for 2-3 
>days while the car was not driven.

That would do it.  You should have had about a 2 to a 4 ohm load or drawing 
between about 3 and 6 amps.


>After re-charging, I connected an amp meter between the neg terminal & the 
>ground cable (disconnected from the battery). With the everything 'off', the 
>meter is reading 0.45 - 0.48 amps on the 0-10 scale. 

That sure seems like a lot.  And your right about the radio only drawing
about .1A

Don't know what the computer draws.  Unfortunately neither of my 95 cars
are here right now so I can't measure the current.

John

John T. Blair  WA4OHZ          email:  jblair@exis.net
Va. Beach, Va                  Phone:  (757) 495-8229

          48 TR1800    48 #4 Midget    65 Morgan 4/4 Series V
     75 Bricklin SV1 (#0887)    77 Spitfire    71 Saab Sonett III
                       65 Rambler Classic

Morgan:    www.team.net/www/morgan
Bricklin:  www.bricklin.org

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