You say that you swapped in a "known" good battery. Are you sure on this.
Are the head lights bright? Do any lights go very dim, i.e. nearly out, when you try to crank the car if they are switched on while cranking? If so, the battery is NBG.
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Trevor, New Zealand.
As a child, on cold mornings I gladly stood in cowpats to warm my bare feet, but I detest bull$hit!
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