[V8] Re: Electrical Charging Problem

[Michael Larosa Jr]

looks like battery to me,  with the car off that battery should be reading about 12.8.


Mike,  glad you liked the gory details :)



scott.olson at nokia.com wrote:
> 
> 1990 V8 Auto. 120k
> A few weeks ago, Mike LaRosa wrote an excellent 'gory details' report on testing and troubleshooting the cable that runs from the battery to the alternator.
> I have been experiencing an intermittent alternator light (usually at slow speeds, and with A/C running).  So, I pulled out the tools on Sunday and went to work.
> 
> Multimeter probes:
> Car at rest.  11.9v
> Car running.  13.7v
> both readings taken at the front battery (-) and (+) posts and at the battery are identical, so I decided is not a corroded cable.
> 
> What do you think is wrong?
> Alternator?  One in the car is original.... Is 120k about the life for this item?
> Battery is 1.5 years old.
> Car starts quickly, no stumble.
> 
> Regards,
> ScottO
> Texas.
> Will be using A/C again by the weekend.

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