[V6-12v] Low voltmeter readings

Tom Christiansen tomchr at gmail.com
Sat Jun 13 00:33:36 PDT 2009

My guess is a battery that's going south. Typically, the internal resistance
rises when the battery is at the end of its useful life. This leads to a
higher voltage drop, thus, lower output voltage at higher loads.

It's easy to test. Turn on all available loads (rear defroster, high beams,
fog lights, etc.) and see if the voltage drops.

~ Tom

On Fri, Jun 12, 2009 at 3:08 PM, Richard Guzzardi <rguzz at mac.com> wrote:

> Low readings when the cooling fans come on (less than 12v). Drops from
> where it should be though no measurements taken.
> Ideas?
> RG
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