Originally Posted by JimN
At any point, did you measure the resistance from the ground at the rear of the engine to the negative battery post? Not the cable clamp, the post. If you see more than about .1 Ohm of resistance, you need to find out why. Do the same on the positive cable going to the starter.
Yep thanks Jim, I did this when I found the loose battery clamps a few months ago. I do not think the resistance was above .1ohm but will check again to be sure.