It could be a symptom of a poor connection in the charging circuit, but if
it goes out by 1500 rpm I wouldn't worry about it. A dim glow on load at
speed though, noticeable at night, is usually a symptom of one or more
diodes failed in the alternator.
PaulH.
----- Original Message -----
From: Steve Murphy <k8vo@flyingbeers.org>
To: MG List <mgs@autox.team.net>
Sent: Sunday, December 19, 1999 4:48 PM
Subject: Ignition warning lamp
> Hi gang,
> I've noticed that the Ignition warning lamp on my 77B will glow,
albeit
> very dimly, when running under relatively loads, ie: idling with
> headlamps+heater fan +brake and turn signals. It all but extinguishes at
> speed, and the battery does not seem to be discharging. This is my first
MG,
> and I have found some faults in the wiring already, so I am wondering if
> this is normal or something I need to pay attention to.
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