You have a bad ignition switch. Try running a wire from the 
     +B to the + side of the coil.

On Tue, 12 Aug 1997, Kevin McCaig wrote:

> Greetings from Canada
> 
> 	I'am at the end of my rope. My 86 double Cab hasn't run since late June. 
> It just quit on the way home one evening it would start but won't keep
> running.  I cleaned the grounds up and away we went for a coupla miles.
> Then she quit altogether.  I found there was no spark. I replaced the spark
> plugs, rotor, dist cap and one spark plug wire.    then the was no fuel.  
> so i took the harness apart and fix the multiple ground connection at the
> front of the engine, the fuel came back.   But still no spark.  I rang out
> wires to the ECU, cleaned the coil connections tested the coil as per
> bentley OK.   brings me to the Hall sender  I tried testing it with a
> multimeter(digital Fluke 77) but didn't get a blip. Bentley says to use a
> digital probe.  I also did the ground the center lead of the plug to the
> hall center to get 4.5Volts across the coil and didn't get change in
> voltage.   I tested all the other switches and the air box and all appear 
> OK.   As i type this it seems like i have to bite the bullet and replace
> the ECU.   I am not too enthsiastic about this as the ECU was replaced 2
> years ago and i feel that these should last the life of the vehicle and not
> less then the life of the exhaust pipes. Any advice or suggestions would be
> welcome.
> 
> Kevin McCaig
> 86 double cab
>