Large,sometimes flat,braideg copper ground strap is usually located on the passenger side top of bell-housing and is attached to the passenger side frame rail.
Also check the wire connections at the starter.
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Does the engine still crank when hot,but not start?
You could also be having an intermittent problem with your ignition switch.Check wire connection there too.
I am still kind of suspecting the coil.

There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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Be yourself. If you are ever lost, It will be much easier to find yourself if you know who you are!