No spark

Done some testing tonight, most definitely having a battery issue. I tested the battery with the key off 12.7 key on 12.5 when cranking it dropped all the way down to 9.9. I checked the coil with the key on 10.4 when cranking it dropped down to 7.8 the lowest was even 6.7 so either my battery is bad or I have a serious draw from somewhere withing the ignition. But a new problem arises. Remember how I said last night during my test my starter quit? I have nothing at the starter now. As far as tournage goes. The key just clicks at the relay and when I cross over the relay I have nothing. But I can cross the starter with the solenoid and it cranks. Im thinking bad relay. But do relays just stop like that? I have power at the relay and at the ignition at the column just no cranking i think the relay is gone

Battery: You need to fix the battery/ cables/ connections problems first. Where are you measuring the 9.9? If at the battery either it's still not charged, or it's a small capacity or worn out. When I say "at the battery" I mean the BATTERY POSTS and not the cable clamps.

Once you get a good battery in there, you can check the meter readings "in line as they go."

Check at battery post, then the clamp, then the engine end of the cable. You can see the drop as you go. Check this under load when cranking

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Relay.........you have not indicated here, if you have resolved that the relay is energizing. Could be bad relay, could be not getting power from the key, could be not getting a ground at the neutral safety switch.