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RE: MGB alt question

To: "'MG List'" <mgs@autox.team.net>
Subject: RE: MGB alt question
From: "Larry list account" <list@marketvalue.net>
Date: Mon, 13 Oct 2003 08:55:35 -0600
A suggestion on the big brown wire.  When you get around to making your
permanent fix do not solder this wire to the terminal fitting.   The wire
will have a tendancy to break where it makes the transition from being
soldered to non-soldered.  

Larry Hoy

> -----Original Message-----
> From: owner-mgs@autox.team.net 
> [mailto:owner-mgs@autox.team.net] On Behalf Of Tims home office
> Sent: Monday, October 13, 2003 8:14 AM
> To: MG List
> Subject: Re: MGB alt question
> 
> 
> Thanks again Paul:
> 
> >BTW, whilst you should have about 14.5v (except on heavy 
> loads) at the 
> >this may well be 14v at the brown on the fusebox, lower again on the 
> >>white and still lower on the green, quite possibly down to 
> the 13.5v 
> >that you mentioned at one point.  All this is relatively normal for 
> >cars of this
> age,
> >and would probably need all new electrical wiring, connectors and 
> >components to improve"
> 
> Yep that is true, and anything above nominal battery voltage 
> of 12.8VDC is _actually_ charging the batts. But I also know 
> that the past weeks charging problem has made the battery 
> quite low, and 13.5V at the battery is ok until batts are 
> more charged.
> 
> Also I found my problem this am!!
> Thanks to your comment about solenoid, and putting a meter 
> right at the alt!! After consulting the wiring diagram, I the 
> large brown from alt to solenoid broken and "barely" 
> touching. So I stripped and soldered the wire as a temporary 
> patch.This accounted for the charging when decelerating and 
> discharging when accelerating.  Actually all 5 wires down 
> there are pretty beat up and bare, so I am going to schedule 
> an hour or so this weekend, and cut, strip and reconnect all 
> of them neatly.
> 
> I PROMISE now to always check the voltage at the large brown 
> at the alt!! IF so I would have found that it was always 
> 14.5V, even when the red ignition light was on!!
> 
> Thanks again Paul and Pete (good idea that ground strap!!)
> 
> Tim
> 1969 MGBGT mona




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