Ben, try unplugging the wires to the alternator. I had a ghost flashing
like this a few years ago and replacing the alternator was the final fix.

Mark

Benny boy wrote:
> I have been struggling for 5 hours on a similar problem, but worse.
>
> The light will blink crasy erraticaly for no reason, i mean will even pulse
> with the engine rpm at start up, after the engine start, it will do all kind
> of crasy thing... of course every wire, plug connector, relay have been
> replace/check. From the engine bay to the cluster. Even the 2 plug going to
> the relay and the other one unplug, this is still happening. So i pulled the
> yellow and the blue one out of the cluster connector and i still have the
> problem... so you will say cluster! but no, i have a spare one and smae
> stuff is happening. So the conclusion, one of the other 10 or so wire is
> making a short and that light react to it!!!
>
> The van is an 84.
>
> So today i should find more and i will post about it.
>
> Ben
>