AW: [DML] Battery condition
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AW: [DML] Battery condition




Hey valleyrat,

let me try to understand your theory.
You crank your engine ( this draws hundreds of amps from your
battery and makes the voltage drop) and your engine starts, but
when you release the key (battery voltage returns to almost its 
max) the car dies ?

When your battery makes it to crank your engine, it would be able 
to run the ignition system without alternator for another 20 or 
more miles !!!

A charged battery has around 12.6V.

What you have sounds like a typical cold start problem.

Elvis & 6548...with dead battery...no cranking at all !




I have recently been questioning the condition of my battery for 
these reasons:

1) I checked the voltage at blue/yellow wire on the big resistor and 
it reads 9.5 volts. If I rev the motor so that the alternator 
engages the voltage will jump to 11.5

2) The car will start then die several times before it will stay 
running unless the alternator engages or I get it to engage by 
slowly throttling the motor up. If I try to rev the motor quickly 
without the alternator engaged it will abruptly die. 

3) After the car runs for a while and I turn it off, if I 
immediately crank the motor it cranks very quickly. However, if I 
shut the motor down and turn on the headlights I can see the volt 
meter sag slowly then if I crank the motor it will not stay running. 

Could a low or dead battery cause my starting problems? I checked 
the rest voltage of my battery (I recently charged it fully) and it 
read 12.0 volts even.

Nathan
2277







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