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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