Re: [Chrysler300] generator/charging issues 300E

[Bill Huff <czbill@xxxxxxxxxx>]

Simplest place to start would be to measure the 
voltage across the battery terminals when the 
engine is off, when it is idling and when it is 
revved up a little.  The voltage should be around 
12 volts with engine off, a little over 12 at 
idle and around 13-14 volts running at 
speed.  Turning on the headlights for a few 
minutes before starting the car will slightly 
lower the charge and allow you to measure 
charging voltage.  If you don't find a raised 
charging voltage then further checking is needed.

Bill Huff



At 8/29/201111:03 PM, Lindsey Fuller wrote:
>
>
>problem: I don't believe my system is charging, or if so, not enough.
>1. Mopar guys who put car back together maintain they polarized the generator
>2. several different shops claim the system is charging
>3. ammeter stays at or just a hair under neutral on guage when running
>4. no noticeable draw on ammeter guage in car 
>when turn lights on, hi or low beam
>5. significant discharge registered when heater fan is turned on
>6. problem is car often barely turns over enough 
>to start when warm unless I have fully charged the battery
>7. have replaced starter
>8. have switched batteries with the F & no problems there
>9. drove it 80 miles or so, 1/2 at night after 
>fully charging battery @ 2 amps over a day or 
>so. slow starting reappeared 2 days later.
>
>Question: does this sound like voltage regulator 
>is not allowing enough charge to flow;  any other ideas?
>Would the charging system tests show proper 
>charging if generator was not properly polarized?
>I am hesitant to drive it too far.
>
>Thanks
>Lindsey in Winnipeg
>
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>
>


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