[Roadsters] FW: Charging Question - update

[ljordan704 at netscape.net]

 Phil,
I think the VR plug is not providing feedback that the battery is
overcharging. See if you take wires out of the connector to clean them or if
not, just spray electrical cleaner into the connectors with the battery
diconnected.
And VR needs to be grounded thru the case screws and an extra ground wire
helps too.
BTDT with my alt also

Linda






-----Original Message-----
From: Hall, Phillip B. (MSFC-ED10) (MSFC-ED10) <phillip.b.hall at nasa.gov>
To: Datsun-Roadsters <datsun-roadsters at autox.team.net>
Sent: Mon, Mar 14, 2011 6:11 pm
Subject: [Roadsters] FW:  Charging Question - update


Hey Pete -

Many thanks for the forward reply!

Ok - went out and kept it running long enough to measure the voltage at the
battery and coil at about 1500 RPM

Battery = 14.71 volts
Coil     = 14.04 volts

This is high and as Dave said maybe overloading the coil.

Why is both the stock and GM overcharging?  I cleaned my battery connections
and reworked the grounds starting at the battery.  Even reworked the ground
to the starter.  Could a shorted plate in the battery cause this?  I have
never experienced overcharging like this even with a regulator stuck full
open.  Out to get the spare battery out (if it is still good), get it
charged and try it.

I did just replace the cap and rotor - obviously with no luck....

Thanks everyone for the suggestions!  Got to love issues like this to test
my mechanic ability... Ha.

Phil


On 3/14/11 5:29 PM, "Pete Peters" <ppeters914 at comcast.net> wrote:

> Phil,
>
> Here's some ideas from Dave, a roadster guy and ex-Datsun mechanic, who is
> not on the lists/forums.
>
> Pete
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