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Subject:Re: '85 Ignition Control Unit
From:David Beierl
Date:Tue, 23 Mar 2010 16:03:41 -0400
At 03:47 PM 3/23/2010, Dug Smith wrote:
> > I don't know the WBX that well so was curious. Is this the Hall Sensor?
>
>Yup - the little box below the coil.

No 'tisn't.  The Hall sender is inside the distributor.  This is the
switching unit (Toyota calls them "igniters" which actually generates
the primary spark impulse that drives the spark coil.  It's screwed
onto the left firewall just forward (aft?) of the idle stabilizer module.

Yours,
David