[Top] [All Lists]

Re: Flickering Ignition light

To: Steve Gorr <>, MG list <>
Subject: Re: Flickering Ignition light
From: Hans Duinhoven <>
Date: Sun, 17 Jul 2005 09:46:48 +0200
Check brushes for good contact. Yes your guess for bad diode(s) can be 
another cause, but I would say these do not seem to cause a flickering 
ignition light.
So check for bad contacts and almost broken wires - often near contacts or 



'71 BGT

----- Original Message ----- 
From: "Steve Gorr" <>
To: "MG list" <>
Sent: Sunday, July 17, 2005 5:51 AM
Subject: Flickering Ignition light

> So the 78 B and I head up to the BRIC race weekend at Road America and on 
> the
> way the ignition light goes on. The roadside check shows I'm getting 14.3v 
> at
> the battery. I cleaned the contacts on the alternator but the light 
> remains.
> Doesn't seem to be losing any charge after several days driving. Starts 
> out in
> the morning with just a faint, pulsating flicker. Pulsing snot affected by
> load but the higher the revs the brighter it gets. Finally, when fully
> warmed/hot the light is on constantly but a bit dimmer than at "bulb 
> check"
> time. Perhaps one of the 3 diodes is shot?
> What is the list's collective wisdom? Rebuild the alternator, replace it 
> with
> another Lucas unit, or get one of those Bosch units I've heard of? If the
> Bosch is supposed to be better, which one do I go looking for?
> Steve Gorr
> 78 MGB, Carmine

<Prev in Thread] Current Thread [Next in Thread>