Weak charging?

William K Denton wkdenton at verizon.net
Mon Mar 24 12:46:46 PDT 2008


Charge the battery to at least 12.6v and then do an alternator output test. 
With a multimeter connected to the battery terminals you should be getting 
14.2-14.8v at 4K rpm.  Less than 14.2v and you may have a problem (dirty 
connections, alternator brushes, etc).  More than 14.8v and you'll need to 
replace the regulator.


For convenience, use the starter relay terminal for the Pos (+) connection 
on the tester when you check the charging system.

Do you have a shop manual?

----- Original Message ----- 
From: "Steven Bixby" <steven at bixbys.net>

> The other issue that I'm concerned about is that I don't think the
> charging system is getting much done -
> So - how does one diagnose this? 

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