[Mgs] Ignition Light

atweditor at aol.com atweditor at aol.com
Mon Jul 26 08:25:37 MDT 2010


 I agree with all that say you have a major charging issue. I had an
alternator (nearly brand-new, too) fail during a cross-country trip and
managed around 300 miles on battery alone, although during the last few miles
the OD wouldn't stay engaged and the lights were real dim.

Jay Donoghue






-----Original Message-----
From: Paul Hunt <paul.hunt1 at blueyonder.co.uk>
To: Ray Graham <runner01 at wowway.com>; mgs <mgs at autox.team.net>
Sent: Sun, Jul 25, 2010 6:37 am
Subject: Re: [Mgs] Ignition Light


Not charging.  The alternator plug can't have fallen out or that would stop

the warning light glowing at all.  Measure the voltage at the brown wire at

the alternator plug with the ignition off and engine stopped.  If you see

12v, then the problem is almost certainly inside the alternator.  But if you

*don't* see 12v then the thick brown charging wire between the alternator

and solenoid is either broken or disconnected.



PaulH.



----- Original Message -----

> Jumped in the 1980 MGB today for run and the ignition light is glowing

> when

> the engine is running.  Anybody got any ideas what the problem could be?

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