[Mgs] Mgs Digest, Vol 217, Issue 8

[Paul Hunt]

That's how they _should_ work in all but the first MGBs and I suspect 
MGAs.  They come on when you operate the switch then after a short delay 
start flashing off-on-off-on.  This gives the earliest warning to other 
road users.  They also have a 'bulb failure' mode where if one has 
failed the remaining corner and the tell-tale come on and stay on so you 
can take appropriate action. If you fit a 4-way/hazard flasher unit it's 
then they only start flashing after a delay from operating the switch, 
and they will flash anything from one to four bulbs at the same rate.

Triumph flashers are different again as far as the tell-tale goes.  With 
a single tell-tale they should be off normally of course, but if you fit 
an early MGB flasher it comes on with the ignition and only starts 
flashing off when the indicator switch is operated.  The MGB with two 
tell-tales has additional contacts in the indicator switch to prevent that.

FWIW.

PaulH.

On 30/09/2025 20:14, Eric Russell wrote:
> > I guess its ok that I'm now running a Triumph flasher unit in my 
> MGA????
>
> Except now the turn signals will blink off-on-off instead of 
> on-off-on-off.
>
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